Home / 15,036,768.70-20,750,760.98-8,161,248.94

Finding the Fourth Proportional to 15,036,768.70, 20,750,760.98 and 8,161,248.94

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Solution

The fourth proportional to 15,036,768.70, 20,750,760.98 and 8,161,248.94 is: 11,262,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,768.70 : 20,750,760.98 = 8,161,248.94 : x
  2. Step 2: Convert to fraction form
    15,036,768.70/20,750,760.98 = 8,161,248.94/x
  3. Step 3: Cross multiply
    15,036,768.70x = 20,750,760.98 × 8,161,248.94
  4. Step 4: Simplify right side
    15,036,768.70x = 169,352,126,011,412.12
  5. Step 5: Solve for x
    x = 169,352,126,011,412.12/15,036,768.70
  6. Step 6: Final answer
    x = 11,262,534.48

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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.