Home / 39,349,559.12-54,302,487.95-21,947,031.50

Finding the Fourth Proportional to 39,349,559.12, 54,302,487.95 and 21,947,031.50

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Solution

The fourth proportional to 39,349,559.12, 54,302,487.95 and 21,947,031.50 is: 30,286,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349,559.12 : 54,302,487.95 = 21,947,031.50 : x
  2. Step 2: Convert to fraction form
    39,349,559.12/54,302,487.95 = 21,947,031.50/x
  3. Step 3: Cross multiply
    39,349,559.12x = 54,302,487.95 × 21,947,031.50
  4. Step 4: Simplify right side
    39,349,559.12x = 1,191,778,413,350,375.75
  5. Step 5: Solve for x
    x = 1,191,778,413,350,375.75/39,349,559.12
  6. Step 6: Final answer
    x = 30,286,957.22

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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.