Home / 15,143,196.36-20,897,501.80-8,267,678.44

Finding the Fourth Proportional to 15,143,196.36, 20,897,501.80 and 8,267,678.44

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Solution

The fourth proportional to 15,143,196.36, 20,897,501.80 and 8,267,678.44 is: 11,409,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,196.36 : 20,897,501.80 = 8,267,678.44 : x
  2. Step 2: Convert to fraction form
    15,143,196.36/20,897,501.80 = 8,267,678.44/x
  3. Step 3: Cross multiply
    15,143,196.36x = 20,897,501.80 × 8,267,678.44
  4. Step 4: Simplify right side
    15,143,196.36x = 172,773,825,081,721.22
  5. Step 5: Solve for x
    x = 172,773,825,081,721.22/15,143,196.36
  6. Step 6: Final answer
    x = 11,409,336.64

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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.