Home / 28,546,729.38-39,395,074.01-16,156,821.96

Finding the Fourth Proportional to 28,546,729.38, 39,395,074.01 and 16,156,821.96

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Solution

The fourth proportional to 28,546,729.38, 39,395,074.01 and 16,156,821.96 is: 22,296,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,729.38 : 39,395,074.01 = 16,156,821.96 : x
  2. Step 2: Convert to fraction form
    28,546,729.38/39,395,074.01 = 16,156,821.96/x
  3. Step 3: Cross multiply
    28,546,729.38x = 39,395,074.01 × 16,156,821.96
  4. Step 4: Simplify right side
    28,546,729.38x = 636,499,196,799,809.25
  5. Step 5: Solve for x
    x = 636,499,196,799,809.25/28,546,729.38
  6. Step 6: Final answer
    x = 22,296,746.79

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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.