Home / 41,422,155.81-62,123,269.18-12,668,540.51

Finding the Fourth Proportional to 41,422,155.81, 62,123,269.18 and 12,668,540.51

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Solution

The fourth proportional to 41,422,155.81, 62,123,269.18 and 12,668,540.51 is: 18,999,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,422,155.81 : 62,123,269.18 = 12,668,540.51 : x
  2. Step 2: Convert to fraction form
    41,422,155.81/62,123,269.18 = 12,668,540.51/x
  3. Step 3: Cross multiply
    41,422,155.81x = 62,123,269.18 × 12,668,540.51
  4. Step 4: Simplify right side
    41,422,155.81x = 787,011,152,220,464.50
  5. Step 5: Solve for x
    x = 787,011,152,220,464.50/41,422,155.81
  6. Step 6: Final answer
    x = 18,999,763.21

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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.