Home / 28,028,122.56-38,678,865.12-15,151,066.56

Finding the Fourth Proportional to 28,028,122.56, 38,678,865.12 and 15,151,066.56

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Solution

The fourth proportional to 28,028,122.56, 38,678,865.12 and 15,151,066.56 is: 20,908,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028,122.56 : 38,678,865.12 = 15,151,066.56 : x
  2. Step 2: Convert to fraction form
    28,028,122.56/38,678,865.12 = 15,151,066.56/x
  3. Step 3: Cross multiply
    28,028,122.56x = 38,678,865.12 × 15,151,066.56
  4. Step 4: Simplify right side
    28,028,122.56x = 586,026,059,898,382.38
  5. Step 5: Solve for x
    x = 586,026,059,898,382.38/28,028,122.56
  6. Step 6: Final answer
    x = 20,908,502.12

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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.