Home / 28,156,827.72-42,241,462.36-10,205,465.16

Finding the Fourth Proportional to 28,156,827.72, 42,241,462.36 and 10,205,465.16

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Solution

The fourth proportional to 28,156,827.72, 42,241,462.36 and 10,205,465.16 is: 15,310,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,827.72 : 42,241,462.36 = 10,205,465.16 : x
  2. Step 2: Convert to fraction form
    28,156,827.72/42,241,462.36 = 10,205,465.16/x
  3. Step 3: Cross multiply
    28,156,827.72x = 42,241,462.36 × 10,205,465.16
  4. Step 4: Simplify right side
    28,156,827.72x = 431,093,772,422,431.38
  5. Step 5: Solve for x
    x = 431,093,772,422,431.38/28,156,827.72
  6. Step 6: Final answer
    x = 15,310,452.47

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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.