Home / 28,854,568.96-39,818,818.56-15,977,236.48

Finding the Fourth Proportional to 28,854,568.96, 39,818,818.56 and 15,977,236.48

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Solution

The fourth proportional to 28,854,568.96, 39,818,818.56 and 15,977,236.48 is: 22,048,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854,568.96 : 39,818,818.56 = 15,977,236.48 : x
  2. Step 2: Convert to fraction form
    28,854,568.96/39,818,818.56 = 15,977,236.48/x
  3. Step 3: Cross multiply
    28,854,568.96x = 39,818,818.56 × 15,977,236.48
  4. Step 4: Simplify right side
    28,854,568.96x = 636,194,680,487,333.12
  5. Step 5: Solve for x
    x = 636,194,680,487,333.12/28,854,568.96
  6. Step 6: Final answer
    x = 22,048,316.90

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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.