Home / 20,402,003.60-30,603,005.40-17,744,798.60

Finding the Fourth Proportional to 20,402,003.60, 30,603,005.40 and 17,744,798.60

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Solution

The fourth proportional to 20,402,003.60, 30,603,005.40 and 17,744,798.60 is: 26,617,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,003.60 : 30,603,005.40 = 17,744,798.60 : x
  2. Step 2: Convert to fraction form
    20,402,003.60/30,603,005.40 = 17,744,798.60/x
  3. Step 3: Cross multiply
    20,402,003.60x = 30,603,005.40 × 17,744,798.60
  4. Step 4: Simplify right side
    20,402,003.60x = 543,044,167,377,712.44
  5. Step 5: Solve for x
    x = 543,044,167,377,712.44/20,402,003.60
  6. Step 6: Final answer
    x = 26,617,197.90

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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.