Home / 13,708,474.08-18,917,901.20-7,513,471.30

Finding the Fourth Proportional to 13,708,474.08, 18,917,901.20 and 7,513,471.30

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Solution

The fourth proportional to 13,708,474.08, 18,917,901.20 and 7,513,471.30 is: 10,368,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,474.08 : 18,917,901.20 = 7,513,471.30 : x
  2. Step 2: Convert to fraction form
    13,708,474.08/18,917,901.20 = 7,513,471.30/x
  3. Step 3: Cross multiply
    13,708,474.08x = 18,917,901.20 × 7,513,471.30
  4. Step 4: Simplify right side
    13,708,474.08x = 142,139,107,722,435.56
  5. Step 5: Solve for x
    x = 142,139,107,722,435.56/13,708,474.08
  6. Step 6: Final answer
    x = 10,368,703.83

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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.