Home / 31,956,065.70-47,934,098.55-12,789,780.90

Finding the Fourth Proportional to 31,956,065.70, 47,934,098.55 and 12,789,780.90

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Solution

The fourth proportional to 31,956,065.70, 47,934,098.55 and 12,789,780.90 is: 19,184,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956,065.70 : 47,934,098.55 = 12,789,780.90 : x
  2. Step 2: Convert to fraction form
    31,956,065.70/47,934,098.55 = 12,789,780.90/x
  3. Step 3: Cross multiply
    31,956,065.70x = 47,934,098.55 × 12,789,780.90
  4. Step 4: Simplify right side
    31,956,065.70x = 613,066,618,093,507.62
  5. Step 5: Solve for x
    x = 613,066,618,093,507.62/31,956,065.70
  6. Step 6: Final answer
    x = 19,184,671.35

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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.