Home / 39,479,564.10-59,219,346.15-20,347,688.10

Finding the Fourth Proportional to 39,479,564.10, 59,219,346.15 and 20,347,688.10

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Solution

The fourth proportional to 39,479,564.10, 59,219,346.15 and 20,347,688.10 is: 30,521,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479,564.10 : 59,219,346.15 = 20,347,688.10 : x
  2. Step 2: Convert to fraction form
    39,479,564.10/59,219,346.15 = 20,347,688.10/x
  3. Step 3: Cross multiply
    39,479,564.10x = 59,219,346.15 × 20,347,688.10
  4. Step 4: Simplify right side
    39,479,564.10x = 1,204,976,784,946,135.75
  5. Step 5: Solve for x
    x = 1,204,976,784,946,135.75/39,479,564.10
  6. Step 6: Final answer
    x = 30,521,532.15

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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.