Home / 31,549,761.62-47,330,777.72-12,117,565.86

Finding the Fourth Proportional to 31,549,761.62, 47,330,777.72 and 12,117,565.86

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Solution

The fourth proportional to 31,549,761.62, 47,330,777.72 and 12,117,565.86 is: 18,178,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,761.62 : 47,330,777.72 = 12,117,565.86 : x
  2. Step 2: Convert to fraction form
    31,549,761.62/47,330,777.72 = 12,117,565.86/x
  3. Step 3: Cross multiply
    31,549,761.62x = 47,330,777.72 × 12,117,565.86
  4. Step 4: Simplify right side
    31,549,761.62x = 573,533,816,166,532.88
  5. Step 5: Solve for x
    x = 573,533,816,166,532.88/31,549,761.62
  6. Step 6: Final answer
    x = 18,178,705.22

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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.