Home / 28,078,671.54-38,748,823.11-16,476,428.34

Finding the Fourth Proportional to 28,078,671.54, 38,748,823.11 and 16,476,428.34

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Solution

The fourth proportional to 28,078,671.54, 38,748,823.11 and 16,476,428.34 is: 22,737,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,671.54 : 38,748,823.11 = 16,476,428.34 : x
  2. Step 2: Convert to fraction form
    28,078,671.54/38,748,823.11 = 16,476,428.34/x
  3. Step 3: Cross multiply
    28,078,671.54x = 38,748,823.11 × 16,476,428.34
  4. Step 4: Simplify right side
    28,078,671.54x = 638,442,207,231,250.88
  5. Step 5: Solve for x
    x = 638,442,207,231,250.88/28,078,671.54
  6. Step 6: Final answer
    x = 22,737,621.55

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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.