Home / 15,436,715.04-21,299,234.40-8,908,961.76

Finding the Fourth Proportional to 15,436,715.04, 21,299,234.40 and 8,908,961.76

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Solution

The fourth proportional to 15,436,715.04, 21,299,234.40 and 8,908,961.76 is: 12,292,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436,715.04 : 21,299,234.40 = 8,908,961.76 : x
  2. Step 2: Convert to fraction form
    15,436,715.04/21,299,234.40 = 8,908,961.76/x
  3. Step 3: Cross multiply
    15,436,715.04x = 21,299,234.40 × 8,908,961.76
  4. Step 4: Simplify right side
    15,436,715.04x = 189,754,064,786,876.53
  5. Step 5: Solve for x
    x = 189,754,064,786,876.53/15,436,715.04
  6. Step 6: Final answer
    x = 12,292,386.32

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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.