Home / 18,456,474.60-27,684,711.90-9,847,130.40

Finding the Fourth Proportional to 18,456,474.60, 27,684,711.90 and 9,847,130.40

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Solution

The fourth proportional to 18,456,474.60, 27,684,711.90 and 9,847,130.40 is: 14,770,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,474.60 : 27,684,711.90 = 9,847,130.40 : x
  2. Step 2: Convert to fraction form
    18,456,474.60/27,684,711.90 = 9,847,130.40/x
  3. Step 3: Cross multiply
    18,456,474.60x = 27,684,711.90 × 9,847,130.40
  4. Step 4: Simplify right side
    18,456,474.60x = 272,614,968,165,731.75
  5. Step 5: Solve for x
    x = 272,614,968,165,731.75/18,456,474.60
  6. Step 6: Final answer
    x = 14,770,695.60

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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.