Home / 13,146,586.60-19,719,879.90-9,115,508.20

Finding the Fourth Proportional to 13,146,586.60, 19,719,879.90 and 9,115,508.20

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Solution

The fourth proportional to 13,146,586.60, 19,719,879.90 and 9,115,508.20 is: 13,673,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,586.60 : 19,719,879.90 = 9,115,508.20 : x
  2. Step 2: Convert to fraction form
    13,146,586.60/19,719,879.90 = 9,115,508.20/x
  3. Step 3: Cross multiply
    13,146,586.60x = 19,719,879.90 × 9,115,508.20
  4. Step 4: Simplify right side
    13,146,586.60x = 179,756,726,931,465.16
  5. Step 5: Solve for x
    x = 179,756,726,931,465.16/13,146,586.60
  6. Step 6: Final answer
    x = 13,673,262.30

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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.