Home / 15,036,768.45-20,750,760.63-8,161,248.69

Finding the Fourth Proportional to 15,036,768.45, 20,750,760.63 and 8,161,248.69

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Solution

The fourth proportional to 15,036,768.45, 20,750,760.63 and 8,161,248.69 is: 11,262,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,768.45 : 20,750,760.63 = 8,161,248.69 : x
  2. Step 2: Convert to fraction form
    15,036,768.45/20,750,760.63 = 8,161,248.69/x
  3. Step 3: Cross multiply
    15,036,768.45x = 20,750,760.63 × 8,161,248.69
  4. Step 4: Simplify right side
    15,036,768.45x = 169,352,118,008,091.06
  5. Step 5: Solve for x
    x = 169,352,118,008,091.06/15,036,768.45
  6. Step 6: Final answer
    x = 11,262,534.14

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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.