Home / 10,117,967.46-15,187,210.92-8,972,564.82

Finding the Fourth Proportional to 10,117,967.46, 15,187,210.92 and 8,972,564.82

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Solution

The fourth proportional to 10,117,967.46, 15,187,210.92 and 8,972,564.82 is: 13,467,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117,967.46 : 15,187,210.92 = 8,972,564.82 : x
  2. Step 2: Convert to fraction form
    10,117,967.46/15,187,210.92 = 8,972,564.82/x
  3. Step 3: Cross multiply
    10,117,967.46x = 15,187,210.92 × 8,972,564.82
  4. Step 4: Simplify right side
    10,117,967.46x = 136,268,234,414,711.84
  5. Step 5: Solve for x
    x = 136,268,234,414,711.84/10,117,967.46
  6. Step 6: Final answer
    x = 13,467,945.51

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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.