Home / 15,376,645.84-21,216,251.88-9,180,489.04

Finding the Fourth Proportional to 15,376,645.84, 21,216,251.88 and 9,180,489.04

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Solution

The fourth proportional to 15,376,645.84, 21,216,251.88 and 9,180,489.04 is: 12,666,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,645.84 : 21,216,251.88 = 9,180,489.04 : x
  2. Step 2: Convert to fraction form
    15,376,645.84/21,216,251.88 = 9,180,489.04/x
  3. Step 3: Cross multiply
    15,376,645.84x = 21,216,251.88 × 9,180,489.04
  4. Step 4: Simplify right side
    15,376,645.84x = 194,775,567,854,219.38
  5. Step 5: Solve for x
    x = 194,775,567,854,219.38/15,376,645.84
  6. Step 6: Final answer
    x = 12,666,973.66

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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.