Home / 13,146,580.60-19,719,870.90-9,115,502.20

Finding the Fourth Proportional to 13,146,580.60, 19,719,870.90 and 9,115,502.20

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Solution

The fourth proportional to 13,146,580.60, 19,719,870.90 and 9,115,502.20 is: 13,673,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,580.60 : 19,719,870.90 = 9,115,502.20 : x
  2. Step 2: Convert to fraction form
    13,146,580.60/19,719,870.90 = 9,115,502.20/x
  3. Step 3: Cross multiply
    13,146,580.60x = 19,719,870.90 × 9,115,502.20
  4. Step 4: Simplify right side
    13,146,580.60x = 179,756,526,572,665.94
  5. Step 5: Solve for x
    x = 179,756,526,572,665.94/13,146,580.60
  6. Step 6: Final answer
    x = 13,673,253.30

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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.