Home / 20,535,501.40-30,801,246.28-5,389,432.92

Finding the Fourth Proportional to 20,535,501.40, 30,801,246.28 and 5,389,432.92

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Solution

The fourth proportional to 20,535,501.40, 30,801,246.28 and 5,389,432.92 is: 8,083,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,501.40 : 30,801,246.28 = 5,389,432.92 : x
  2. Step 2: Convert to fraction form
    20,535,501.40/30,801,246.28 = 5,389,432.92/x
  3. Step 3: Cross multiply
    20,535,501.40x = 30,801,246.28 × 5,389,432.92
  4. Step 4: Simplify right side
    20,535,501.40x = 166,001,250,678,459.53
  5. Step 5: Solve for x
    x = 166,001,250,678,459.53/20,535,501.40
  6. Step 6: Final answer
    x = 8,083,622.96

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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.