Home / 38,178,555.12-57,276,801.24-12,619,565.04

Finding the Fourth Proportional to 38,178,555.12, 57,276,801.24 and 12,619,565.04

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Solution

The fourth proportional to 38,178,555.12, 57,276,801.24 and 12,619,565.04 is: 18,932,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,555.12 : 57,276,801.24 = 12,619,565.04 : x
  2. Step 2: Convert to fraction form
    38,178,555.12/57,276,801.24 = 12,619,565.04/x
  3. Step 3: Cross multiply
    38,178,555.12x = 57,276,801.24 × 12,619,565.04
  4. Step 4: Simplify right side
    38,178,555.12x = 722,808,318,531,332.62
  5. Step 5: Solve for x
    x = 722,808,318,531,332.62/38,178,555.12
  6. Step 6: Final answer
    x = 18,932,312.03

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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.