Home / 39,929,737.48-55,103,074.50-21,595,023.40

Finding the Fourth Proportional to 39,929,737.48, 55,103,074.50 and 21,595,023.40

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Solution

The fourth proportional to 39,929,737.48, 55,103,074.50 and 21,595,023.40 is: 29,801,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,737.48 : 55,103,074.50 = 21,595,023.40 : x
  2. Step 2: Convert to fraction form
    39,929,737.48/55,103,074.50 = 21,595,023.40/x
  3. Step 3: Cross multiply
    39,929,737.48x = 55,103,074.50 × 21,595,023.40
  4. Step 4: Simplify right side
    39,929,737.48x = 1,189,952,183,239,443.25
  5. Step 5: Solve for x
    x = 1,189,952,183,239,443.25/39,929,737.48
  6. Step 6: Final answer
    x = 29,801,152.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.