Home / 13,708,475.63-18,917,903.27-7,513,472.78

Finding the Fourth Proportional to 13,708,475.63, 18,917,903.27 and 7,513,472.78

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Solution

The fourth proportional to 13,708,475.63, 18,917,903.27 and 7,513,472.78 is: 10,368,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,475.63 : 18,917,903.27 = 7,513,472.78 : x
  2. Step 2: Convert to fraction form
    13,708,475.63/18,917,903.27 = 7,513,472.78/x
  3. Step 3: Cross multiply
    13,708,475.63x = 18,917,903.27 × 7,513,472.78
  4. Step 4: Simplify right side
    13,708,475.63x = 142,139,151,236,250.62
  5. Step 5: Solve for x
    x = 142,139,151,236,250.62/13,708,475.63
  6. Step 6: Final answer
    x = 10,368,705.83

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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.