Home / 28,508,111.78-42,762,166.84-13,150,857.74

Finding the Fourth Proportional to 28,508,111.78, 42,762,166.84 and 13,150,857.74

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Solution

The fourth proportional to 28,508,111.78, 42,762,166.84 and 13,150,857.74 is: 19,726,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,111.78 : 42,762,166.84 = 13,150,857.74 : x
  2. Step 2: Convert to fraction form
    28,508,111.78/42,762,166.84 = 13,150,857.74/x
  3. Step 3: Cross multiply
    28,508,111.78x = 42,762,166.84 × 13,150,857.74
  4. Step 4: Simplify right side
    28,508,111.78x = 562,359,172,766,985.38
  5. Step 5: Solve for x
    x = 562,359,172,766,985.38/28,508,111.78
  6. Step 6: Final answer
    x = 19,726,286.23

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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.