Home / 20,402,471.60-30,603,707.40-17,745,266.60

Finding the Fourth Proportional to 20,402,471.60, 30,603,707.40 and 17,745,266.60

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Solution

The fourth proportional to 20,402,471.60, 30,603,707.40 and 17,745,266.60 is: 26,617,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,471.60 : 30,603,707.40 = 17,745,266.60 : x
  2. Step 2: Convert to fraction form
    20,402,471.60/30,603,707.40 = 17,745,266.60/x
  3. Step 3: Cross multiply
    20,402,471.60x = 30,603,707.40 × 17,745,266.60
  4. Step 4: Simplify right side
    20,402,471.60x = 543,070,946,761,392.88
  5. Step 5: Solve for x
    x = 543,070,946,761,392.88/20,402,471.60
  6. Step 6: Final answer
    x = 26,617,899.90

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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.