Home / 13,479,421.40-20,219,132.10-9,653,046.20

Finding the Fourth Proportional to 13,479,421.40, 20,219,132.10 and 9,653,046.20

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Solution

The fourth proportional to 13,479,421.40, 20,219,132.10 and 9,653,046.20 is: 14,479,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,421.40 : 20,219,132.10 = 9,653,046.20 : x
  2. Step 2: Convert to fraction form
    13,479,421.40/20,219,132.10 = 9,653,046.20/x
  3. Step 3: Cross multiply
    13,479,421.40x = 20,219,132.10 × 9,653,046.20
  4. Step 4: Simplify right side
    13,479,421.40x = 195,176,216,285,203.03
  5. Step 5: Solve for x
    x = 195,176,216,285,203.03/13,479,421.40
  6. Step 6: Final answer
    x = 14,479,569.30

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Double scale
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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.