Home / 13,117,801.77-18,102,598.07-7,316,959.23

Finding the Fourth Proportional to 13,117,801.77, 18,102,598.07 and 7,316,959.23

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Solution

The fourth proportional to 13,117,801.77, 18,102,598.07 and 7,316,959.23 is: 10,097,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,801.77 : 18,102,598.07 = 7,316,959.23 : x
  2. Step 2: Convert to fraction form
    13,117,801.77/18,102,598.07 = 7,316,959.23/x
  3. Step 3: Cross multiply
    13,117,801.77x = 18,102,598.07 × 7,316,959.23
  4. Step 4: Simplify right side
    13,117,801.77x = 132,455,971,998,681.91
  5. Step 5: Solve for x
    x = 132,455,971,998,681.91/13,117,801.77
  6. Step 6: Final answer
    x = 10,097,421.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.