Home / 7,900,549.80-11,843,729.10-3,111,505.80

Finding the Fourth Proportional to 7,900,549.80, 11,843,729.10 and 3,111,505.80

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Solution

The fourth proportional to 7,900,549.80, 11,843,729.10 and 3,111,505.80 is: 4,664,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,549.80 : 11,843,729.10 = 3,111,505.80 : x
  2. Step 2: Convert to fraction form
    7,900,549.80/11,843,729.10 = 3,111,505.80/x
  3. Step 3: Cross multiply
    7,900,549.80x = 11,843,729.10 × 3,111,505.80
  4. Step 4: Simplify right side
    7,900,549.80x = 36,851,831,788,278.77
  5. Step 5: Solve for x
    x = 36,851,831,788,278.77/7,900,549.80
  6. Step 6: Final answer
    x = 4,664,464.21

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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.