Home / 28,431,036.90-42,646,555.35-27,315,010.80

Finding the Fourth Proportional to 28,431,036.90, 42,646,555.35 and 27,315,010.80

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Solution

The fourth proportional to 28,431,036.90, 42,646,555.35 and 27,315,010.80 is: 40,972,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,036.90 : 42,646,555.35 = 27,315,010.80 : x
  2. Step 2: Convert to fraction form
    28,431,036.90/42,646,555.35 = 27,315,010.80/x
  3. Step 3: Cross multiply
    28,431,036.90x = 42,646,555.35 × 27,315,010.80
  4. Step 4: Simplify right side
    28,431,036.90x = 1,164,891,119,968,047.75
  5. Step 5: Solve for x
    x = 1,164,891,119,968,047.75/28,431,036.90
  6. Step 6: Final answer
    x = 40,972,516.20

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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.