Home / 12,785,246.76-19,178,854.29-4,265,569.56

Finding the Fourth Proportional to 12,785,246.76, 19,178,854.29 and 4,265,569.56

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Solution

The fourth proportional to 12,785,246.76, 19,178,854.29 and 4,265,569.56 is: 6,398,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,246.76 : 19,178,854.29 = 4,265,569.56 : x
  2. Step 2: Convert to fraction form
    12,785,246.76/19,178,854.29 = 4,265,569.56/x
  3. Step 3: Cross multiply
    12,785,246.76x = 19,178,854.29 × 4,265,569.56
  4. Step 4: Simplify right side
    12,785,246.76x = 81,808,737,055,099.41
  5. Step 5: Solve for x
    x = 81,808,737,055,099.41/12,785,246.76
  6. Step 6: Final answer
    x = 6,398,682.68

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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.