Home / 20,186,613.10-30,286,918.05-8,835,208.30

Finding the Fourth Proportional to 20,186,613.10, 30,286,918.05 and 8,835,208.30

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Solution

The fourth proportional to 20,186,613.10, 30,286,918.05 and 8,835,208.30 is: 13,255,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,613.10 : 30,286,918.05 = 8,835,208.30 : x
  2. Step 2: Convert to fraction form
    20,186,613.10/30,286,918.05 = 8,835,208.30/x
  3. Step 3: Cross multiply
    20,186,613.10x = 30,286,918.05 × 8,835,208.30
  4. Step 4: Simplify right side
    20,186,613.10x = 267,591,229,736,779.84
  5. Step 5: Solve for x
    x = 267,591,229,736,779.84/20,186,613.10
  6. Step 6: Final answer
    x = 13,255,875.49

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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.