Home / 38,232,131.08-52,760,065.62-20,828,471.08

Finding the Fourth Proportional to 38,232,131.08, 52,760,065.62 and 20,828,471.08

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Solution

The fourth proportional to 38,232,131.08, 52,760,065.62 and 20,828,471.08 is: 28,743,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,232,131.08 : 52,760,065.62 = 20,828,471.08 : x
  2. Step 2: Convert to fraction form
    38,232,131.08/52,760,065.62 = 20,828,471.08/x
  3. Step 3: Cross multiply
    38,232,131.08x = 52,760,065.62 × 20,828,471.08
  4. Step 4: Simplify right side
    38,232,131.08x = 1,098,911,500,945,072.12
  5. Step 5: Solve for x
    x = 1,098,911,500,945,072.12/38,232,131.08
  6. Step 6: Final answer
    x = 28,743,140.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.