Home / 15,036,651.36-20,750,598.90-8,161,134.30

Finding the Fourth Proportional to 15,036,651.36, 20,750,598.90 and 8,161,134.30

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Solution

The fourth proportional to 15,036,651.36, 20,750,598.90 and 8,161,134.30 is: 11,262,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,651.36 : 20,750,598.90 = 8,161,134.30 : x
  2. Step 2: Convert to fraction form
    15,036,651.36/20,750,598.90 = 8,161,134.30/x
  3. Step 3: Cross multiply
    15,036,651.36x = 20,750,598.90 × 8,161,134.30
  4. Step 4: Simplify right side
    15,036,651.36x = 169,348,424,428,332.25
  5. Step 5: Solve for x
    x = 169,348,424,428,332.25/15,036,651.36
  6. Step 6: Final answer
    x = 11,262,376.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.