Home / 13,608,437.76-20,405,569.12-6,418,041.04

Finding the Fourth Proportional to 13,608,437.76, 20,405,569.12 and 6,418,041.04

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Solution

The fourth proportional to 13,608,437.76, 20,405,569.12 and 6,418,041.04 is: 9,623,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,437.76 : 20,405,569.12 = 6,418,041.04 : x
  2. Step 2: Convert to fraction form
    13,608,437.76/20,405,569.12 = 6,418,041.04/x
  3. Step 3: Cross multiply
    13,608,437.76x = 20,405,569.12 × 6,418,041.04
  4. Step 4: Simplify right side
    13,608,437.76x = 130,963,780,056,716.69
  5. Step 5: Solve for x
    x = 130,963,780,056,716.69/13,608,437.76
  6. Step 6: Final answer
    x = 9,623,718.93

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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.