Home / 15,505,872.90-23,262,309.18-5,131,065.36

Finding the Fourth Proportional to 15,505,872.90, 23,262,309.18 and 5,131,065.36

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Solution

The fourth proportional to 15,505,872.90, 23,262,309.18 and 5,131,065.36 is: 7,697,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505,872.90 : 23,262,309.18 = 5,131,065.36 : x
  2. Step 2: Convert to fraction form
    15,505,872.90/23,262,309.18 = 5,131,065.36/x
  3. Step 3: Cross multiply
    15,505,872.90x = 23,262,309.18 × 5,131,065.36
  4. Step 4: Simplify right side
    15,505,872.90x = 119,360,428,827,108.02
  5. Step 5: Solve for x
    x = 119,360,428,827,108.02/15,505,872.90
  6. Step 6: Final answer
    x = 7,697,756.17

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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.