Home / 14,506,847.28-20,018,816.82-7,980,062.76

Finding the Fourth Proportional to 14,506,847.28, 20,018,816.82 and 7,980,062.76

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Solution

The fourth proportional to 14,506,847.28, 20,018,816.82 and 7,980,062.76 is: 11,012,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506,847.28 : 20,018,816.82 = 7,980,062.76 : x
  2. Step 2: Convert to fraction form
    14,506,847.28/20,018,816.82 = 7,980,062.76/x
  3. Step 3: Cross multiply
    14,506,847.28x = 20,018,816.82 × 7,980,062.76
  4. Step 4: Simplify right side
    14,506,847.28x = 159,751,414,604,543.62
  5. Step 5: Solve for x
    x = 159,751,414,604,543.62/14,506,847.28
  6. Step 6: Final answer
    x = 11,012,138.72

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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.