Home / 13,309,680.60-19,964,456.10-5,216,938.20

Finding the Fourth Proportional to 13,309,680.60, 19,964,456.10 and 5,216,938.20

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Solution

The fourth proportional to 13,309,680.60, 19,964,456.10 and 5,216,938.20 is: 7,825,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,680.60 : 19,964,456.10 = 5,216,938.20 : x
  2. Step 2: Convert to fraction form
    13,309,680.60/19,964,456.10 = 5,216,938.20/x
  3. Step 3: Cross multiply
    13,309,680.60x = 19,964,456.10 × 5,216,938.20
  4. Step 4: Simplify right side
    13,309,680.60x = 104,153,333,670,313.03
  5. Step 5: Solve for x
    x = 104,153,333,670,313.03/13,309,680.60
  6. Step 6: Final answer
    x = 7,825,381.90

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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.