Home / 12,625,763.02-18,938,530.30-3,989,864.88

Finding the Fourth Proportional to 12,625,763.02, 18,938,530.30 and 3,989,864.88

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Solution

The fourth proportional to 12,625,763.02, 18,938,530.30 and 3,989,864.88 is: 5,984,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625,763.02 : 18,938,530.30 = 3,989,864.88 : x
  2. Step 2: Convert to fraction form
    12,625,763.02/18,938,530.30 = 3,989,864.88/x
  3. Step 3: Cross multiply
    12,625,763.02x = 18,938,530.30 × 3,989,864.88
  4. Step 4: Simplify right side
    12,625,763.02x = 75,562,176,920,292.20
  5. Step 5: Solve for x
    x = 75,562,176,920,292.20/12,625,763.02
  6. Step 6: Final answer
    x = 5,984,761.22

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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.