Home / 18,760,090.20-28,119,140.10-10,676,938.20

Finding the Fourth Proportional to 18,760,090.20, 28,119,140.10 and 10,676,938.20

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Solution

The fourth proportional to 18,760,090.20, 28,119,140.10 and 10,676,938.20 is: 16,003,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,090.20 : 28,119,140.10 = 10,676,938.20 : x
  2. Step 2: Convert to fraction form
    18,760,090.20/28,119,140.10 = 10,676,938.20/x
  3. Step 3: Cross multiply
    18,760,090.20x = 28,119,140.10 × 10,676,938.20
  4. Step 4: Simplify right side
    18,760,090.20x = 300,226,321,084,841.81
  5. Step 5: Solve for x
    x = 300,226,321,084,841.81/18,760,090.20
  6. Step 6: Final answer
    x = 16,003,458.29

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1.5x scale

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.