Home / 12,614,623.20-18,926,326.02-3,980,056.82

Finding the Fourth Proportional to 12,614,623.20, 18,926,326.02 and 3,980,056.82

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Solution

The fourth proportional to 12,614,623.20, 18,926,326.02 and 3,980,056.82 is: 5,971,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,623.20 : 18,926,326.02 = 3,980,056.82 : x
  2. Step 2: Convert to fraction form
    12,614,623.20/18,926,326.02 = 3,980,056.82/x
  3. Step 3: Cross multiply
    12,614,623.20x = 18,926,326.02 × 3,980,056.82
  4. Step 4: Simplify right side
    12,614,623.20x = 75,327,852,896,178.48
  5. Step 5: Solve for x
    x = 75,327,852,896,178.48/12,614,623.20
  6. Step 6: Final answer
    x = 5,971,470.70

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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.