Home / 28,431,041.40-42,646,562.10-27,315,015.30

Finding the Fourth Proportional to 28,431,041.40, 42,646,562.10 and 27,315,015.30

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Solution

The fourth proportional to 28,431,041.40, 42,646,562.10 and 27,315,015.30 is: 40,972,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,041.40 : 42,646,562.10 = 27,315,015.30 : x
  2. Step 2: Convert to fraction form
    28,431,041.40/42,646,562.10 = 27,315,015.30/x
  3. Step 3: Cross multiply
    28,431,041.40x = 42,646,562.10 × 27,315,015.30
  4. Step 4: Simplify right side
    28,431,041.40x = 1,164,891,496,253,900.25
  5. Step 5: Solve for x
    x = 1,164,891,496,253,900.25/28,431,041.40
  6. Step 6: Final answer
    x = 40,972,522.95

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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.