Home / 28,516,938.42-39,353,385.48-15,464,193.88

Finding the Fourth Proportional to 28,516,938.42, 39,353,385.48 and 15,464,193.88

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Solution

The fourth proportional to 28,516,938.42, 39,353,385.48 and 15,464,193.88 is: 21,340,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,938.42 : 39,353,385.48 = 15,464,193.88 : x
  2. Step 2: Convert to fraction form
    28,516,938.42/39,353,385.48 = 15,464,193.88/x
  3. Step 3: Cross multiply
    28,516,938.42x = 39,353,385.48 × 15,464,193.88
  4. Step 4: Simplify right side
    28,516,938.42x = 608,568,382,897,096.88
  5. Step 5: Solve for x
    x = 608,568,382,897,096.88/28,516,938.42
  6. Step 6: Final answer
    x = 21,340,593.23

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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.