Home / 18,185,643.30-27,282,401.55-5,407,439.70

Finding the Fourth Proportional to 18,185,643.30, 27,282,401.55 and 5,407,439.70

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Solution

The fourth proportional to 18,185,643.30, 27,282,401.55 and 5,407,439.70 is: 8,112,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,643.30 : 27,282,401.55 = 5,407,439.70 : x
  2. Step 2: Convert to fraction form
    18,185,643.30/27,282,401.55 = 5,407,439.70/x
  3. Step 3: Cross multiply
    18,185,643.30x = 27,282,401.55 × 5,407,439.70
  4. Step 4: Simplify right side
    18,185,643.30x = 147,527,941,252,811.53
  5. Step 5: Solve for x
    x = 147,527,941,252,811.53/18,185,643.30
  6. Step 6: Final answer
    x = 8,112,330.08

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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.