Home / 8,366,962.56-12,549,714.24-5,172,581.76

Finding the Fourth Proportional to 8,366,962.56, 12,549,714.24 and 5,172,581.76

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Solution

The fourth proportional to 8,366,962.56, 12,549,714.24 and 5,172,581.76 is: 7,758,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366,962.56 : 12,549,714.24 = 5,172,581.76 : x
  2. Step 2: Convert to fraction form
    8,366,962.56/12,549,714.24 = 5,172,581.76/x
  3. Step 3: Cross multiply
    8,366,962.56x = 12,549,714.24 × 5,172,581.76
  4. Step 4: Simplify right side
    8,366,962.56x = 64,914,422,971,036.26
  5. Step 5: Solve for x
    x = 64,914,422,971,036.26/8,366,962.56
  6. Step 6: Final answer
    x = 7,758,421.59

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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.