Home / 28,564,696.44-42,841,467.29-9,128,708.86

Finding the Fourth Proportional to 28,564,696.44, 42,841,467.29 and 9,128,708.86

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Solution

The fourth proportional to 28,564,696.44, 42,841,467.29 and 9,128,708.86 is: 13,691,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,696.44 : 42,841,467.29 = 9,128,708.86 : x
  2. Step 2: Convert to fraction form
    28,564,696.44/42,841,467.29 = 9,128,708.86/x
  3. Step 3: Cross multiply
    28,564,696.44x = 42,841,467.29 × 9,128,708.86
  4. Step 4: Simplify right side
    28,564,696.44x = 391,087,282,008,834.06
  5. Step 5: Solve for x
    x = 391,087,282,008,834.06/28,564,696.44
  6. Step 6: Final answer
    x = 13,691,280.87

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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.