Home / 7,815,364.24-10,788,896.64-5,238,728.32

Finding the Fourth Proportional to 7,815,364.24, 10,788,896.64 and 5,238,728.32

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Solution

The fourth proportional to 7,815,364.24, 10,788,896.64 and 5,238,728.32 is: 7,231,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,364.24 : 10,788,896.64 = 5,238,728.32 : x
  2. Step 2: Convert to fraction form
    7,815,364.24/10,788,896.64 = 5,238,728.32/x
  3. Step 3: Cross multiply
    7,815,364.24x = 10,788,896.64 × 5,238,728.32
  4. Step 4: Simplify right side
    7,815,364.24x = 56,520,098,369,520.85
  5. Step 5: Solve for x
    x = 56,520,098,369,520.85/7,815,364.24
  6. Step 6: Final answer
    x = 7,231,921.20

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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.