Home / 7,815,362.80-11,702,854.32-5,393,989.84

Finding the Fourth Proportional to 7,815,362.80, 11,702,854.32 and 5,393,989.84

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Solution

The fourth proportional to 7,815,362.80, 11,702,854.32 and 5,393,989.84 is: 8,077,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,362.80 : 11,702,854.32 = 5,393,989.84 : x
  2. Step 2: Convert to fraction form
    7,815,362.80/11,702,854.32 = 5,393,989.84/x
  3. Step 3: Cross multiply
    7,815,362.80x = 11,702,854.32 × 5,393,989.84
  4. Step 4: Simplify right side
    7,815,362.80x = 63,125,077,301,080.11
  5. Step 5: Solve for x
    x = 63,125,077,301,080.11/7,815,362.80
  6. Step 6: Final answer
    x = 8,077,050.15

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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.