Home / 28,397,660.74-42,615,658.98-11,123,719.54

Finding the Fourth Proportional to 28,397,660.74, 42,615,658.98 and 11,123,719.54

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Solution

The fourth proportional to 28,397,660.74, 42,615,658.98 and 11,123,719.54 is: 16,693,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,660.74 : 42,615,658.98 = 11,123,719.54 : x
  2. Step 2: Convert to fraction form
    28,397,660.74/42,615,658.98 = 11,123,719.54/x
  3. Step 3: Cross multiply
    28,397,660.74x = 42,615,658.98 × 11,123,719.54
  4. Step 4: Simplify right side
    28,397,660.74x = 474,044,638,505,802.38
  5. Step 5: Solve for x
    x = 474,044,638,505,802.38/28,397,660.74
  6. Step 6: Final answer
    x = 16,693,087.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.