Home / 21,728,463.60-32,592,695.40-12,770,511.60

Finding the Fourth Proportional to 21,728,463.60, 32,592,695.40 and 12,770,511.60

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Solution

The fourth proportional to 21,728,463.60, 32,592,695.40 and 12,770,511.60 is: 19,155,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,463.60 : 32,592,695.40 = 12,770,511.60 : x
  2. Step 2: Convert to fraction form
    21,728,463.60/32,592,695.40 = 12,770,511.60/x
  3. Step 3: Cross multiply
    21,728,463.60x = 32,592,695.40 × 12,770,511.60
  4. Step 4: Simplify right side
    21,728,463.60x = 416,225,394,680,966.62
  5. Step 5: Solve for x
    x = 416,225,394,680,966.62/21,728,463.60
  6. Step 6: Final answer
    x = 19,155,767.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.