Home / 18,707,010.40-28,055,266.80-5,931,431.20

Finding the Fourth Proportional to 18,707,010.40, 28,055,266.80 and 5,931,431.20

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Solution

The fourth proportional to 18,707,010.40, 28,055,266.80 and 5,931,431.20 is: 8,895,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,010.40 : 28,055,266.80 = 5,931,431.20 : x
  2. Step 2: Convert to fraction form
    18,707,010.40/28,055,266.80 = 5,931,431.20/x
  3. Step 3: Cross multiply
    18,707,010.40x = 28,055,266.80 × 5,931,431.20
  4. Step 4: Simplify right side
    18,707,010.40x = 166,407,884,821,844.16
  5. Step 5: Solve for x
    x = 166,407,884,821,844.16/18,707,010.40
  6. Step 6: Final answer
    x = 8,895,482.56

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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.