Home / 19,974,000.30-29,910,312.45-10,988,400.30

Finding the Fourth Proportional to 19,974,000.30, 29,910,312.45 and 10,988,400.30

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Solution

The fourth proportional to 19,974,000.30, 29,910,312.45 and 10,988,400.30 is: 16,454,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974,000.30 : 29,910,312.45 = 10,988,400.30 : x
  2. Step 2: Convert to fraction form
    19,974,000.30/29,910,312.45 = 10,988,400.30/x
  3. Step 3: Cross multiply
    19,974,000.30x = 29,910,312.45 × 10,988,400.30
  4. Step 4: Simplify right side
    19,974,000.30x = 328,666,486,298,673.75
  5. Step 5: Solve for x
    x = 328,666,486,298,673.75/19,974,000.30
  6. Step 6: Final answer
    x = 16,454,715.20

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1.5x scale

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.