Home / 20,092,877.70-30,139,316.55-6,445,997.70

Finding the Fourth Proportional to 20,092,877.70, 30,139,316.55 and 6,445,997.70

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Solution

The fourth proportional to 20,092,877.70, 30,139,316.55 and 6,445,997.70 is: 9,668,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092,877.70 : 30,139,316.55 = 6,445,997.70 : x
  2. Step 2: Convert to fraction form
    20,092,877.70/30,139,316.55 = 6,445,997.70/x
  3. Step 3: Cross multiply
    20,092,877.70x = 30,139,316.55 × 6,445,997.70
  4. Step 4: Simplify right side
    20,092,877.70x = 194,277,965,160,871.94
  5. Step 5: Solve for x
    x = 194,277,965,160,871.94/20,092,877.70
  6. Step 6: Final answer
    x = 9,668,996.55

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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.