Home / 13,309,726.60-19,964,525.10-5,216,984.20

Finding the Fourth Proportional to 13,309,726.60, 19,964,525.10 and 5,216,984.20

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Solution

The fourth proportional to 13,309,726.60, 19,964,525.10 and 5,216,984.20 is: 7,825,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,726.60 : 19,964,525.10 = 5,216,984.20 : x
  2. Step 2: Convert to fraction form
    13,309,726.60/19,964,525.10 = 5,216,984.20/x
  3. Step 3: Cross multiply
    13,309,726.60x = 19,964,525.10 × 5,216,984.20
  4. Step 4: Simplify right side
    13,309,726.60x = 104,154,612,007,203.44
  5. Step 5: Solve for x
    x = 104,154,612,007,203.44/13,309,726.60
  6. Step 6: Final answer
    x = 7,825,450.90

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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.