Home / 28,875,883.71-39,848,708.12-15,998,827.71

Finding the Fourth Proportional to 28,875,883.71, 39,848,708.12 and 15,998,827.71

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Solution

The fourth proportional to 28,875,883.71, 39,848,708.12 and 15,998,827.71 is: 22,078,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,883.71 : 39,848,708.12 = 15,998,827.71 : x
  2. Step 2: Convert to fraction form
    28,875,883.71/39,848,708.12 = 15,998,827.71/x
  3. Step 3: Cross multiply
    28,875,883.71x = 39,848,708.12 × 15,998,827.71
  4. Step 4: Simplify right side
    28,875,883.71x = 637,532,615,597,963.88
  5. Step 5: Solve for x
    x = 637,532,615,597,963.88/28,875,883.71
  6. Step 6: Final answer
    x = 22,078,375.92

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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.