Home / 12,718,673.46-19,078,023.15-5,145,704.82

Finding the Fourth Proportional to 12,718,673.46, 19,078,023.15 and 5,145,704.82

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Solution

The fourth proportional to 12,718,673.46, 19,078,023.15 and 5,145,704.82 is: 7,718,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,673.46 : 19,078,023.15 = 5,145,704.82 : x
  2. Step 2: Convert to fraction form
    12,718,673.46/19,078,023.15 = 5,145,704.82/x
  3. Step 3: Cross multiply
    12,718,673.46x = 19,078,023.15 × 5,145,704.82
  4. Step 4: Simplify right side
    12,718,673.46x = 98,169,875,679,026.58
  5. Step 5: Solve for x
    x = 98,169,875,679,026.58/12,718,673.46
  6. Step 6: Final answer
    x = 7,718,562.47

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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.