Home / 21,755,743.20-32,637,332.64-8,969,258.16

Finding the Fourth Proportional to 21,755,743.20, 32,637,332.64 and 8,969,258.16

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Solution

The fourth proportional to 21,755,743.20, 32,637,332.64 and 8,969,258.16 is: 13,455,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,743.20 : 32,637,332.64 = 8,969,258.16 : x
  2. Step 2: Convert to fraction form
    21,755,743.20/32,637,332.64 = 8,969,258.16/x
  3. Step 3: Cross multiply
    21,755,743.20x = 32,637,332.64 × 8,969,258.16
  4. Step 4: Simplify right side
    21,755,743.20x = 292,732,662,101,954.38
  5. Step 5: Solve for x
    x = 292,732,662,101,954.38/21,755,743.20
  6. Step 6: Final answer
    x = 13,455,420.00

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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.