Home / 21,057,176.10-31,559,192.10-10,251,209.10

Finding the Fourth Proportional to 21,057,176.10, 31,559,192.10 and 10,251,209.10

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Solution

The fourth proportional to 21,057,176.10, 31,559,192.10 and 10,251,209.10 is: 15,363,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,176.10 : 31,559,192.10 = 10,251,209.10 : x
  2. Step 2: Convert to fraction form
    21,057,176.10/31,559,192.10 = 10,251,209.10/x
  3. Step 3: Cross multiply
    21,057,176.10x = 31,559,192.10 × 10,251,209.10
  4. Step 4: Simplify right side
    21,057,176.10x = 323,519,877,244,168.12
  5. Step 5: Solve for x
    x = 323,519,877,244,168.12/21,057,176.10
  6. Step 6: Final answer
    x = 15,363,877.65

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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.