Home / 20,715,497.94-28,589,089.14-11,424,885.15

Finding the Fourth Proportional to 20,715,497.94, 28,589,089.14 and 11,424,885.15

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Solution

The fourth proportional to 20,715,497.94, 28,589,089.14 and 11,424,885.15 is: 15,767,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,497.94 : 28,589,089.14 = 11,424,885.15 : x
  2. Step 2: Convert to fraction form
    20,715,497.94/28,589,089.14 = 11,424,885.15/x
  3. Step 3: Cross multiply
    20,715,497.94x = 28,589,089.14 × 11,424,885.15
  4. Step 4: Simplify right side
    20,715,497.94x = 326,627,059,967,612.31
  5. Step 5: Solve for x
    x = 326,627,059,967,612.31/20,715,497.94
  6. Step 6: Final answer
    x = 15,767,280.17

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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.