Home / 13,488,439.88-18,614,033.90-7,293,471.76

Finding the Fourth Proportional to 13,488,439.88, 18,614,033.90 and 7,293,471.76

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Solution

The fourth proportional to 13,488,439.88, 18,614,033.90 and 7,293,471.76 is: 10,064,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,439.88 : 18,614,033.90 = 7,293,471.76 : x
  2. Step 2: Convert to fraction form
    13,488,439.88/18,614,033.90 = 7,293,471.76/x
  3. Step 3: Cross multiply
    13,488,439.88x = 18,614,033.90 × 7,293,471.76
  4. Step 4: Simplify right side
    13,488,439.88x = 135,760,930,603,483.38
  5. Step 5: Solve for x
    x = 135,760,930,603,483.38/13,488,439.88
  6. Step 6: Final answer
    x = 10,064,983.93

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1.5x scale

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.