Home / 20,710,351.43-28,573,951.48-12,006,787.02

Finding the Fourth Proportional to 20,710,351.43, 28,573,951.48 and 12,006,787.02

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Solution

The fourth proportional to 20,710,351.43, 28,573,951.48 and 12,006,787.02 is: 16,565,694.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,351.43 : 28,573,951.48 = 12,006,787.02 : x
  2. Step 2: Convert to fraction form
    20,710,351.43/28,573,951.48 = 12,006,787.02/x
  3. Step 3: Cross multiply
    20,710,351.43x = 28,573,951.48 × 12,006,787.02
  4. Step 4: Simplify right side
    20,710,351.43x = 343,081,349,740,173.81
  5. Step 5: Solve for x
    x = 343,081,349,740,173.81/20,710,351.43
  6. Step 6: Final answer
    x = 16,565,694.26

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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.