Home / 12,961,314.12-17,887,156.93-7,454,690.51

Finding the Fourth Proportional to 12,961,314.12, 17,887,156.93 and 7,454,690.51

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Solution

The fourth proportional to 12,961,314.12, 17,887,156.93 and 7,454,690.51 is: 10,287,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,314.12 : 17,887,156.93 = 7,454,690.51 : x
  2. Step 2: Convert to fraction form
    12,961,314.12/17,887,156.93 = 7,454,690.51/x
  3. Step 3: Cross multiply
    12,961,314.12x = 17,887,156.93 × 7,454,690.51
  4. Step 4: Simplify right side
    12,961,314.12x = 133,343,219,016,951.73
  5. Step 5: Solve for x
    x = 133,343,219,016,951.73/12,961,314.12
  6. Step 6: Final answer
    x = 10,287,785.47

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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.