Home / 28,294,512.40-42,441,768.60-15,380,496.10

Finding the Fourth Proportional to 28,294,512.40, 42,441,768.60 and 15,380,496.10

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Solution

The fourth proportional to 28,294,512.40, 42,441,768.60 and 15,380,496.10 is: 23,070,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,512.40 : 42,441,768.60 = 15,380,496.10 : x
  2. Step 2: Convert to fraction form
    28,294,512.40/42,441,768.60 = 15,380,496.10/x
  3. Step 3: Cross multiply
    28,294,512.40x = 42,441,768.60 × 15,380,496.10
  4. Step 4: Simplify right side
    28,294,512.40x = 652,775,456,429,402.50
  5. Step 5: Solve for x
    x = 652,775,456,429,402.50/28,294,512.40
  6. Step 6: Final answer
    x = 23,070,744.15

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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.