Home / 20,182,125.70-30,273,188.55-7,398,381.70

Finding the Fourth Proportional to 20,182,125.70, 30,273,188.55 and 7,398,381.70

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Solution

The fourth proportional to 20,182,125.70, 30,273,188.55 and 7,398,381.70 is: 11,097,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,125.70 : 30,273,188.55 = 7,398,381.70 : x
  2. Step 2: Convert to fraction form
    20,182,125.70/30,273,188.55 = 7,398,381.70/x
  3. Step 3: Cross multiply
    20,182,125.70x = 30,273,188.55 × 7,398,381.70
  4. Step 4: Simplify right side
    20,182,125.70x = 223,972,604,168,969.53
  5. Step 5: Solve for x
    x = 223,972,604,168,969.53/20,182,125.70
  6. Step 6: Final answer
    x = 11,097,572.55

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1.5x scale

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.