Home / 17,556,342.30-26,334,513.45-15,430,578.30

Finding the Fourth Proportional to 17,556,342.30, 26,334,513.45 and 15,430,578.30

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Solution

The fourth proportional to 17,556,342.30, 26,334,513.45 and 15,430,578.30 is: 23,145,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556,342.30 : 26,334,513.45 = 15,430,578.30 : x
  2. Step 2: Convert to fraction form
    17,556,342.30/26,334,513.45 = 15,430,578.30/x
  3. Step 3: Cross multiply
    17,556,342.30x = 26,334,513.45 × 15,430,578.30
  4. Step 4: Simplify right side
    17,556,342.30x = 406,356,771,782,628.12
  5. Step 5: Solve for x
    x = 406,356,771,782,628.12/17,556,342.30
  6. Step 6: Final answer
    x = 23,145,867.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.