Home / 7,887,079.20-11,834,555.40-4,477,983.60

Finding the Fourth Proportional to 7,887,079.20, 11,834,555.40 and 4,477,983.60

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Solution

The fourth proportional to 7,887,079.20, 11,834,555.40 and 4,477,983.60 is: 6,719,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,079.20 : 11,834,555.40 = 4,477,983.60 : x
  2. Step 2: Convert to fraction form
    7,887,079.20/11,834,555.40 = 4,477,983.60/x
  3. Step 3: Cross multiply
    7,887,079.20x = 11,834,555.40 × 4,477,983.60
  4. Step 4: Simplify right side
    7,887,079.20x = 52,994,944,994,491.44
  5. Step 5: Solve for x
    x = 52,994,944,994,491.44/7,887,079.20
  6. Step 6: Final answer
    x = 6,719,210.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.