Home / 20,864,735.76-28,760,077.50-16,447,262.28

Finding the Fourth Proportional to 20,864,735.76, 28,760,077.50 and 16,447,262.28

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Solution

The fourth proportional to 20,864,735.76, 28,760,077.50 and 16,447,262.28 is: 22,671,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,735.76 : 28,760,077.50 = 16,447,262.28 : x
  2. Step 2: Convert to fraction form
    20,864,735.76/28,760,077.50 = 16,447,262.28/x
  3. Step 3: Cross multiply
    20,864,735.76x = 28,760,077.50 × 16,447,262.28
  4. Step 4: Simplify right side
    20,864,735.76x = 473,024,537,835,626.69
  5. Step 5: Solve for x
    x = 473,024,537,835,626.69/20,864,735.76
  6. Step 6: Final answer
    x = 22,671,005.44

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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.