Home / 20,941,685.30-31,415,480.40-6,563,253.80

Finding the Fourth Proportional to 20,941,685.30, 31,415,480.40 and 6,563,253.80

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Solution

The fourth proportional to 20,941,685.30, 31,415,480.40 and 6,563,253.80 is: 9,845,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,685.30 : 31,415,480.40 = 6,563,253.80 : x
  2. Step 2: Convert to fraction form
    20,941,685.30/31,415,480.40 = 6,563,253.80/x
  3. Step 3: Cross multiply
    20,941,685.30x = 31,415,480.40 × 6,563,253.80
  4. Step 4: Simplify right side
    20,941,685.30x = 206,187,771,114,125.50
  5. Step 5: Solve for x
    x = 206,187,771,114,125.50/20,941,685.30
  6. Step 6: Final answer
    x = 9,845,806.02

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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.