Home / 10,986,233.40-16,479,350.10-7,159,858.20

Finding the Fourth Proportional to 10,986,233.40, 16,479,350.10 and 7,159,858.20

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Solution

The fourth proportional to 10,986,233.40, 16,479,350.10 and 7,159,858.20 is: 10,739,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,233.40 : 16,479,350.10 = 7,159,858.20 : x
  2. Step 2: Convert to fraction form
    10,986,233.40/16,479,350.10 = 7,159,858.20/x
  3. Step 3: Cross multiply
    10,986,233.40x = 16,479,350.10 × 7,159,858.20
  4. Step 4: Simplify right side
    10,986,233.40x = 117,989,809,944,155.83
  5. Step 5: Solve for x
    x = 117,989,809,944,155.83/10,986,233.40
  6. Step 6: Final answer
    x = 10,739,787.30

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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.