Home / 10,180,740.40-15,270,316.20-5,918,189.68

Finding the Fourth Proportional to 10,180,740.40, 15,270,316.20 and 5,918,189.68

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Solution

The fourth proportional to 10,180,740.40, 15,270,316.20 and 5,918,189.68 is: 8,876,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180,740.40 : 15,270,316.20 = 5,918,189.68 : x
  2. Step 2: Convert to fraction form
    10,180,740.40/15,270,316.20 = 5,918,189.68/x
  3. Step 3: Cross multiply
    10,180,740.40x = 15,270,316.20 × 5,918,189.68
  4. Step 4: Simplify right side
    10,180,740.40x = 90,372,627,745,176.81
  5. Step 5: Solve for x
    x = 90,372,627,745,176.81/10,180,740.40
  6. Step 6: Final answer
    x = 8,876,822.73

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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.