Home / 20,347,337.70-30,521,006.55-6,884,165.70

Finding the Fourth Proportional to 20,347,337.70, 30,521,006.55 and 6,884,165.70

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Solution

The fourth proportional to 20,347,337.70, 30,521,006.55 and 6,884,165.70 is: 10,326,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,337.70 : 30,521,006.55 = 6,884,165.70 : x
  2. Step 2: Convert to fraction form
    20,347,337.70/30,521,006.55 = 6,884,165.70/x
  3. Step 3: Cross multiply
    20,347,337.70x = 30,521,006.55 × 6,884,165.70
  4. Step 4: Simplify right side
    20,347,337.70x = 210,111,666,420,985.34
  5. Step 5: Solve for x
    x = 210,111,666,420,985.34/20,347,337.70
  6. Step 6: Final answer
    x = 10,326,248.55

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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.