Home / 8,854,467.20-13,281,700.80-7,361,475.20

Finding the Fourth Proportional to 8,854,467.20, 13,281,700.80 and 7,361,475.20

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Solution

The fourth proportional to 8,854,467.20, 13,281,700.80 and 7,361,475.20 is: 11,042,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854,467.20 : 13,281,700.80 = 7,361,475.20 : x
  2. Step 2: Convert to fraction form
    8,854,467.20/13,281,700.80 = 7,361,475.20/x
  3. Step 3: Cross multiply
    8,854,467.20x = 13,281,700.80 × 7,361,475.20
  4. Step 4: Simplify right side
    8,854,467.20x = 97,772,911,053,020.17
  5. Step 5: Solve for x
    x = 97,772,911,053,020.17/8,854,467.20
  6. Step 6: Final answer
    x = 11,042,212.80

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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.