Home / 22,690,396.11-31,312,946.48-12,377,165.07

Finding the Fourth Proportional to 22,690,396.11, 31,312,946.48 and 12,377,165.07

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Solution

The fourth proportional to 22,690,396.11, 31,312,946.48 and 12,377,165.07 is: 17,080,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,396.11 : 31,312,946.48 = 12,377,165.07 : x
  2. Step 2: Convert to fraction form
    22,690,396.11/31,312,946.48 = 12,377,165.07/x
  3. Step 3: Cross multiply
    22,690,396.11x = 31,312,946.48 × 12,377,165.07
  4. Step 4: Simplify right side
    22,690,396.11x = 387,565,507,349,149.62
  5. Step 5: Solve for x
    x = 387,565,507,349,149.62/22,690,396.11
  6. Step 6: Final answer
    x = 17,080,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.