Home / 9,221,024.64-12,723,840-5,146,815.36

Finding the Fourth Proportional to 9,221,024.64, 12,723,840 and 5,146,815.36

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Solution

The fourth proportional to 9,221,024.64, 12,723,840 and 5,146,815.36 is: 7,101,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,024.64 : 12,723,840 = 5,146,815.36 : x
  2. Step 2: Convert to fraction form
    9,221,024.64/12,723,840 = 5,146,815.36/x
  3. Step 3: Cross multiply
    9,221,024.64x = 12,723,840 × 5,146,815.36
  4. Step 4: Simplify right side
    9,221,024.64x = 65,487,255,150,182.41
  5. Step 5: Solve for x
    x = 65,487,255,150,182.41/9,221,024.64
  6. Step 6: Final answer
    x = 7,101,949.91

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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.