Home / 28,340,559.41-39,108,713.76-15,782,261.76

Finding the Fourth Proportional to 28,340,559.41, 39,108,713.76 and 15,782,261.76

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Solution

The fourth proportional to 28,340,559.41, 39,108,713.76 and 15,782,261.76 is: 21,778,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340,559.41 : 39,108,713.76 = 15,782,261.76 : x
  2. Step 2: Convert to fraction form
    28,340,559.41/39,108,713.76 = 15,782,261.76/x
  3. Step 3: Cross multiply
    28,340,559.41x = 39,108,713.76 × 15,782,261.76
  4. Step 4: Simplify right side
    28,340,559.41x = 617,223,957,657,233.75
  5. Step 5: Solve for x
    x = 617,223,957,657,233.75/28,340,559.41
  6. Step 6: Final answer
    x = 21,778,820.55

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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.