Home / 20,220,756.70-30,331,135.05-6,573,876.70

Finding the Fourth Proportional to 20,220,756.70, 30,331,135.05 and 6,573,876.70

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Solution

The fourth proportional to 20,220,756.70, 30,331,135.05 and 6,573,876.70 is: 9,860,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,756.70 : 30,331,135.05 = 6,573,876.70 : x
  2. Step 2: Convert to fraction form
    20,220,756.70/30,331,135.05 = 6,573,876.70/x
  3. Step 3: Cross multiply
    20,220,756.70x = 30,331,135.05 × 6,573,876.70
  4. Step 4: Simplify right side
    20,220,756.70x = 199,393,141,989,748.34
  5. Step 5: Solve for x
    x = 199,393,141,989,748.34/20,220,756.70
  6. Step 6: Final answer
    x = 9,860,815.05

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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.