Home / 28,445,631.57-39,255,208.97-16,691,928.21

Finding the Fourth Proportional to 28,445,631.57, 39,255,208.97 and 16,691,928.21

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Solution

The fourth proportional to 28,445,631.57, 39,255,208.97 and 16,691,928.21 is: 23,035,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,631.57 : 39,255,208.97 = 16,691,928.21 : x
  2. Step 2: Convert to fraction form
    28,445,631.57/39,255,208.97 = 16,691,928.21/x
  3. Step 3: Cross multiply
    28,445,631.57x = 39,255,208.97 × 16,691,928.21
  4. Step 4: Simplify right side
    28,445,631.57x = 655,245,129,912,328.50
  5. Step 5: Solve for x
    x = 655,245,129,912,328.50/28,445,631.57
  6. Step 6: Final answer
    x = 23,035,000.24

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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.