Home / 22,690,430.86-31,312,994.43-12,377,199.82

Finding the Fourth Proportional to 22,690,430.86, 31,312,994.43 and 12,377,199.82

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Solution

The fourth proportional to 22,690,430.86, 31,312,994.43 and 12,377,199.82 is: 17,080,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,430.86 : 31,312,994.43 = 12,377,199.82 : x
  2. Step 2: Convert to fraction form
    22,690,430.86/31,312,994.43 = 12,377,199.82/x
  3. Step 3: Cross multiply
    22,690,430.86x = 31,312,994.43 × 12,377,199.82
  4. Step 4: Simplify right side
    22,690,430.86x = 387,567,189,022,657
  5. Step 5: Solve for x
    x = 387,567,189,022,657/22,690,430.86
  6. Step 6: Final answer
    x = 17,080,644.76

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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.