Home / 20,401,743.60-30,602,615.40-17,744,538.60

Finding the Fourth Proportional to 20,401,743.60, 30,602,615.40 and 17,744,538.60

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Solution

The fourth proportional to 20,401,743.60, 30,602,615.40 and 17,744,538.60 is: 26,616,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,743.60 : 30,602,615.40 = 17,744,538.60 : x
  2. Step 2: Convert to fraction form
    20,401,743.60/30,602,615.40 = 17,744,538.60/x
  3. Step 3: Cross multiply
    20,401,743.60x = 30,602,615.40 × 17,744,538.60
  4. Step 4: Simplify right side
    20,401,743.60x = 543,029,290,226,254.44
  5. Step 5: Solve for x
    x = 543,029,290,226,254.44/20,401,743.60
  6. Step 6: Final answer
    x = 26,616,807.90

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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.