Home / 10,478,257.10-14,452,200.30-9,252,399.86

Finding the Fourth Proportional to 10,478,257.10, 14,452,200.30 and 9,252,399.86

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Solution

The fourth proportional to 10,478,257.10, 14,452,200.30 and 9,252,399.86 is: 12,761,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,257.10 : 14,452,200.30 = 9,252,399.86 : x
  2. Step 2: Convert to fraction form
    10,478,257.10/14,452,200.30 = 9,252,399.86/x
  3. Step 3: Cross multiply
    10,478,257.10x = 14,452,200.30 × 9,252,399.86
  4. Step 4: Simplify right side
    10,478,257.10x = 133,717,536,032,411.95
  5. Step 5: Solve for x
    x = 133,717,536,032,411.95/10,478,257.10
  6. Step 6: Final answer
    x = 12,761,429.19

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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.