Home / 39,744,013.60-59,616,020.40-20,612,137.60

Finding the Fourth Proportional to 39,744,013.60, 59,616,020.40 and 20,612,137.60

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Solution

The fourth proportional to 39,744,013.60, 59,616,020.40 and 20,612,137.60 is: 30,918,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744,013.60 : 59,616,020.40 = 20,612,137.60 : x
  2. Step 2: Convert to fraction form
    39,744,013.60/59,616,020.40 = 20,612,137.60/x
  3. Step 3: Cross multiply
    39,744,013.60x = 59,616,020.40 × 20,612,137.60
  4. Step 4: Simplify right side
    39,744,013.60x = 1,228,813,615,649,207
  5. Step 5: Solve for x
    x = 1,228,813,615,649,207/39,744,013.60
  6. Step 6: Final answer
    x = 30,918,206.40

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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.