Home / 16,690,580.91-23,044,248.74-10,420,663.78

Finding the Fourth Proportional to 16,690,580.91, 23,044,248.74 and 10,420,663.78

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Solution

The fourth proportional to 16,690,580.91, 23,044,248.74 and 10,420,663.78 is: 14,387,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690,580.91 : 23,044,248.74 = 10,420,663.78 : x
  2. Step 2: Convert to fraction form
    16,690,580.91/23,044,248.74 = 10,420,663.78/x
  3. Step 3: Cross multiply
    16,690,580.91x = 23,044,248.74 × 10,420,663.78
  4. Step 4: Simplify right side
    16,690,580.91x = 240,136,368,014,904.06
  5. Step 5: Solve for x
    x = 240,136,368,014,904.06/16,690,580.91
  6. Step 6: Final answer
    x = 14,387,538.06

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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.