Home / 20,220,859.70-30,331,289.55-6,573,979.70

Finding the Fourth Proportional to 20,220,859.70, 30,331,289.55 and 6,573,979.70

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Solution

The fourth proportional to 20,220,859.70, 30,331,289.55 and 6,573,979.70 is: 9,860,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,859.70 : 30,331,289.55 = 6,573,979.70 : x
  2. Step 2: Convert to fraction form
    20,220,859.70/30,331,289.55 = 6,573,979.70/x
  3. Step 3: Cross multiply
    20,220,859.70x = 30,331,289.55 × 6,573,979.70
  4. Step 4: Simplify right side
    20,220,859.70x = 199,397,281,776,522.16
  5. Step 5: Solve for x
    x = 199,397,281,776,522.16/20,220,859.70
  6. Step 6: Final answer
    x = 9,860,969.55

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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.