Home / 21,785,172.08-32,672,312.48-6,429,414.02

Finding the Fourth Proportional to 21,785,172.08, 32,672,312.48 and 6,429,414.02

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Solution

The fourth proportional to 21,785,172.08, 32,672,312.48 and 6,429,414.02 is: 9,642,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785,172.08 : 32,672,312.48 = 6,429,414.02 : x
  2. Step 2: Convert to fraction form
    21,785,172.08/32,672,312.48 = 6,429,414.02/x
  3. Step 3: Cross multiply
    21,785,172.08x = 32,672,312.48 × 6,429,414.02
  4. Step 4: Simplify right side
    21,785,172.08x = 210,063,823,924,732.97
  5. Step 5: Solve for x
    x = 210,063,823,924,732.97/21,785,172.08
  6. Step 6: Final answer
    x = 9,642,513.87

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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.