Home / 12,858,340.60-19,280,502.90-3,881,726.20

Finding the Fourth Proportional to 12,858,340.60, 19,280,502.90 and 3,881,726.20

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Solution

The fourth proportional to 12,858,340.60, 19,280,502.90 and 3,881,726.20 is: 5,820,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,340.60 : 19,280,502.90 = 3,881,726.20 : x
  2. Step 2: Convert to fraction form
    12,858,340.60/19,280,502.90 = 3,881,726.20/x
  3. Step 3: Cross multiply
    12,858,340.60x = 19,280,502.90 × 3,881,726.20
  4. Step 4: Simplify right side
    12,858,340.60x = 74,841,633,256,105.98
  5. Step 5: Solve for x
    x = 74,841,633,256,105.98/12,858,340.60
  6. Step 6: Final answer
    x = 5,820,473.70

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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.