Home / 28,015,756.88-41,937,444.40-18,279,405.10

Finding the Fourth Proportional to 28,015,756.88, 41,937,444.40 and 18,279,405.10

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Solution

The fourth proportional to 28,015,756.88, 41,937,444.40 and 18,279,405.10 is: 27,362,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,756.88 : 41,937,444.40 = 18,279,405.10 : x
  2. Step 2: Convert to fraction form
    28,015,756.88/41,937,444.40 = 18,279,405.10/x
  3. Step 3: Cross multiply
    28,015,756.88x = 41,937,444.40 × 18,279,405.10
  4. Step 4: Simplify right side
    28,015,756.88x = 766,591,534,745,242.25
  5. Step 5: Solve for x
    x = 766,591,534,745,242.25/28,015,756.88
  6. Step 6: Final answer
    x = 27,362,870.76

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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.