Home / 40,420,405.65-60,639,465.83-13,122,052.95

Finding the Fourth Proportional to 40,420,405.65, 60,639,465.83 and 13,122,052.95

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Solution

The fourth proportional to 40,420,405.65, 60,639,465.83 and 13,122,052.95 is: 19,685,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420,405.65 : 60,639,465.83 = 13,122,052.95 : x
  2. Step 2: Convert to fraction form
    40,420,405.65/60,639,465.83 = 13,122,052.95/x
  3. Step 3: Cross multiply
    40,420,405.65x = 60,639,465.83 × 13,122,052.95
  4. Step 4: Simplify right side
    40,420,405.65x = 795,714,281,415,365.38
  5. Step 5: Solve for x
    x = 795,714,281,415,365.38/40,420,405.65
  6. Step 6: Final answer
    x = 19,685,954.87

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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.