Home / 13,502,411.80-20,251,434.64-4,986,758.68

Finding the Fourth Proportional to 13,502,411.80, 20,251,434.64 and 4,986,758.68

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Solution

The fourth proportional to 13,502,411.80, 20,251,434.64 and 4,986,758.68 is: 7,479,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,411.80 : 20,251,434.64 = 4,986,758.68 : x
  2. Step 2: Convert to fraction form
    13,502,411.80/20,251,434.64 = 4,986,758.68/x
  3. Step 3: Cross multiply
    13,502,411.80x = 20,251,434.64 × 4,986,758.68
  4. Step 4: Simplify right side
    13,502,411.80x = 100,989,017,473,472.67
  5. Step 5: Solve for x
    x = 100,989,017,473,472.67/13,502,411.80
  6. Step 6: Final answer
    x = 7,479,331.76

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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.