Home / 15,501,710.10-23,252,565.15-12,138,791.70

Finding the Fourth Proportional to 15,501,710.10, 23,252,565.15 and 12,138,791.70

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Solution

The fourth proportional to 15,501,710.10, 23,252,565.15 and 12,138,791.70 is: 18,208,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,710.10 : 23,252,565.15 = 12,138,791.70 : x
  2. Step 2: Convert to fraction form
    15,501,710.10/23,252,565.15 = 12,138,791.70/x
  3. Step 3: Cross multiply
    15,501,710.10x = 23,252,565.15 × 12,138,791.70
  4. Step 4: Simplify right side
    15,501,710.10x = 282,258,044,846,529.25
  5. Step 5: Solve for x
    x = 282,258,044,846,529.25/15,501,710.10
  6. Step 6: Final answer
    x = 18,208,187.55

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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.