Home / 28,266,102.76-39,007,228.26-15,389,046.76

Finding the Fourth Proportional to 28,266,102.76, 39,007,228.26 and 15,389,046.76

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Solution

The fourth proportional to 28,266,102.76, 39,007,228.26 and 15,389,046.76 is: 21,236,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,102.76 : 39,007,228.26 = 15,389,046.76 : x
  2. Step 2: Convert to fraction form
    28,266,102.76/39,007,228.26 = 15,389,046.76/x
  3. Step 3: Cross multiply
    28,266,102.76x = 39,007,228.26 × 15,389,046.76
  4. Step 4: Simplify right side
    28,266,102.76x = 600,284,059,671,133.38
  5. Step 5: Solve for x
    x = 600,284,059,671,133.38/28,266,102.76
  6. Step 6: Final answer
    x = 21,236,888.04

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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.