Home / 10,371,111.70-15,552,001.95-3,979,239.70

Finding the Fourth Proportional to 10,371,111.70, 15,552,001.95 and 3,979,239.70

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Solution

The fourth proportional to 10,371,111.70, 15,552,001.95 and 3,979,239.70 is: 5,967,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,111.70 : 15,552,001.95 = 3,979,239.70 : x
  2. Step 2: Convert to fraction form
    10,371,111.70/15,552,001.95 = 3,979,239.70/x
  3. Step 3: Cross multiply
    10,371,111.70x = 15,552,001.95 × 3,979,239.70
  4. Step 4: Simplify right side
    10,371,111.70x = 61,885,143,573,917.41
  5. Step 5: Solve for x
    x = 61,885,143,573,917.41/10,371,111.70
  6. Step 6: Final answer
    x = 5,967,069.43

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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.