Home / 39,479,564.60-59,219,346.90-20,347,688.60

Finding the Fourth Proportional to 39,479,564.60, 59,219,346.90 and 20,347,688.60

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Solution

The fourth proportional to 39,479,564.60, 59,219,346.90 and 20,347,688.60 is: 30,521,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479,564.60 : 59,219,346.90 = 20,347,688.60 : x
  2. Step 2: Convert to fraction form
    39,479,564.60/59,219,346.90 = 20,347,688.60/x
  3. Step 3: Cross multiply
    39,479,564.60x = 59,219,346.90 × 20,347,688.60
  4. Step 4: Simplify right side
    39,479,564.60x = 1,204,976,829,816,575.50
  5. Step 5: Solve for x
    x = 1,204,976,829,816,575.50/39,479,564.60
  6. Step 6: Final answer
    x = 30,521,532.90

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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.