Home / 15,487,515.12-21,371,892.98-8,611,849.56

Finding the Fourth Proportional to 15,487,515.12, 21,371,892.98 and 8,611,849.56

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Solution

The fourth proportional to 15,487,515.12, 21,371,892.98 and 8,611,849.56 is: 11,883,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,515.12 : 21,371,892.98 = 8,611,849.56 : x
  2. Step 2: Convert to fraction form
    15,487,515.12/21,371,892.98 = 8,611,849.56/x
  3. Step 3: Cross multiply
    15,487,515.12x = 21,371,892.98 × 8,611,849.56
  4. Step 4: Simplify right side
    15,487,515.12x = 184,051,527,156,180.09
  5. Step 5: Solve for x
    x = 184,051,527,156,180.09/15,487,515.12
  6. Step 6: Final answer
    x = 11,883,864.24

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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.