Home / 12,778,132.72-19,156,001.64-4,805,555.44

Finding the Fourth Proportional to 12,778,132.72, 19,156,001.64 and 4,805,555.44

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Solution

The fourth proportional to 12,778,132.72, 19,156,001.64 and 4,805,555.44 is: 7,204,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,132.72 : 19,156,001.64 = 4,805,555.44 : x
  2. Step 2: Convert to fraction form
    12,778,132.72/19,156,001.64 = 4,805,555.44/x
  3. Step 3: Cross multiply
    12,778,132.72x = 19,156,001.64 × 4,805,555.44
  4. Step 4: Simplify right side
    12,778,132.72x = 92,055,227,889,750.94
  5. Step 5: Solve for x
    x = 92,055,227,889,750.94/12,778,132.72
  6. Step 6: Final answer
    x = 7,204,122.07

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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.