Home / 16,890,209.46-23,307,864.66-9,155,085.66

Finding the Fourth Proportional to 16,890,209.46, 23,307,864.66 and 9,155,085.66

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Solution

The fourth proportional to 16,890,209.46, 23,307,864.66 and 9,155,085.66 is: 12,633,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890,209.46 : 23,307,864.66 = 9,155,085.66 : x
  2. Step 2: Convert to fraction form
    16,890,209.46/23,307,864.66 = 9,155,085.66/x
  3. Step 3: Cross multiply
    16,890,209.46x = 23,307,864.66 × 9,155,085.66
  4. Step 4: Simplify right side
    16,890,209.46x = 213,385,497,513,986.78
  5. Step 5: Solve for x
    x = 213,385,497,513,986.78/16,890,209.46
  6. Step 6: Final answer
    x = 12,633,679.77

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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.