Home / 25,572,985.44-38,359,503.36-7,128,193.68

Finding the Fourth Proportional to 25,572,985.44, 38,359,503.36 and 7,128,193.68

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Solution

The fourth proportional to 25,572,985.44, 38,359,503.36 and 7,128,193.68 is: 10,692,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572,985.44 : 38,359,503.36 = 7,128,193.68 : x
  2. Step 2: Convert to fraction form
    25,572,985.44/38,359,503.36 = 7,128,193.68/x
  3. Step 3: Cross multiply
    25,572,985.44x = 38,359,503.36 × 7,128,193.68
  4. Step 4: Simplify right side
    25,572,985.44x = 273,433,969,418,690.75
  5. Step 5: Solve for x
    x = 273,433,969,418,690.75/25,572,985.44
  6. Step 6: Final answer
    x = 10,692,297.54

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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.