Home / 12,961,314.37-17,887,157.27-7,454,690.76

Finding the Fourth Proportional to 12,961,314.37, 17,887,157.27 and 7,454,690.76

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Solution

The fourth proportional to 12,961,314.37, 17,887,157.27 and 7,454,690.76 is: 10,287,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,314.37 : 17,887,157.27 = 7,454,690.76 : x
  2. Step 2: Convert to fraction form
    12,961,314.37/17,887,157.27 = 7,454,690.76/x
  3. Step 3: Cross multiply
    12,961,314.37x = 17,887,157.27 × 7,454,690.76
  4. Step 4: Simplify right side
    12,961,314.37x = 133,343,226,041,972.56
  5. Step 5: Solve for x
    x = 133,343,226,041,972.56/12,961,314.37
  6. Step 6: Final answer
    x = 10,287,785.81

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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.