Home / 20,240,667.15-27,932,123.86-10,948,233.13

Finding the Fourth Proportional to 20,240,667.15, 27,932,123.86 and 10,948,233.13

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Solution

The fourth proportional to 20,240,667.15, 27,932,123.86 and 10,948,233.13 is: 15,108,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,667.15 : 27,932,123.86 = 10,948,233.13 : x
  2. Step 2: Convert to fraction form
    20,240,667.15/27,932,123.86 = 10,948,233.13/x
  3. Step 3: Cross multiply
    20,240,667.15x = 27,932,123.86 × 10,948,233.13
  4. Step 4: Simplify right side
    20,240,667.15x = 305,807,403,780,574.38
  5. Step 5: Solve for x
    x = 305,807,403,780,574.38/20,240,667.15
  6. Step 6: Final answer
    x = 15,108,563.45

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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.