Home / 14,592,785.76-20,138,084.93-7,977,454.15

Finding the Fourth Proportional to 14,592,785.76, 20,138,084.93 and 7,977,454.15

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Solution

The fourth proportional to 14,592,785.76, 20,138,084.93 and 7,977,454.15 is: 11,008,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592,785.76 : 20,138,084.93 = 7,977,454.15 : x
  2. Step 2: Convert to fraction form
    14,592,785.76/20,138,084.93 = 7,977,454.15/x
  3. Step 3: Cross multiply
    14,592,785.76x = 20,138,084.93 × 7,977,454.15
  4. Step 4: Simplify right side
    14,592,785.76x = 160,650,649,157,993.69
  5. Step 5: Solve for x
    x = 160,650,649,157,993.69/14,592,785.76
  6. Step 6: Final answer
    x = 11,008,908.91

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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.