Home / 28,040,066.29-38,695,345.02-15,481,145.23

Finding the Fourth Proportional to 28,040,066.29, 38,695,345.02 and 15,481,145.23

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Solution

The fourth proportional to 28,040,066.29, 38,695,345.02 and 15,481,145.23 is: 21,364,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,066.29 : 38,695,345.02 = 15,481,145.23 : x
  2. Step 2: Convert to fraction form
    28,040,066.29/38,695,345.02 = 15,481,145.23/x
  3. Step 3: Cross multiply
    28,040,066.29x = 38,695,345.02 × 15,481,145.23
  4. Step 4: Simplify right side
    28,040,066.29x = 599,048,255,979,577.38
  5. Step 5: Solve for x
    x = 599,048,255,979,577.38/28,040,066.29
  6. Step 6: Final answer
    x = 21,364,009.98

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Double scale
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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.