Home / 31,439,604.60-43,386,209.64-17,688,535.92

Finding the Fourth Proportional to 31,439,604.60, 43,386,209.64 and 17,688,535.92

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Solution

The fourth proportional to 31,439,604.60, 43,386,209.64 and 17,688,535.92 is: 24,409,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,604.60 : 43,386,209.64 = 17,688,535.92 : x
  2. Step 2: Convert to fraction form
    31,439,604.60/43,386,209.64 = 17,688,535.92/x
  3. Step 3: Cross multiply
    31,439,604.60x = 43,386,209.64 × 17,688,535.92
  4. Step 4: Simplify right side
    31,439,604.60x = 767,438,527,649,790.38
  5. Step 5: Solve for x
    x = 767,438,527,649,790.38/31,439,604.60
  6. Step 6: Final answer
    x = 24,409,929.37

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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.