Home / 10,109,918.70-15,164,878.05-5,805,246.60

Finding the Fourth Proportional to 10,109,918.70, 15,164,878.05 and 5,805,246.60

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Solution

The fourth proportional to 10,109,918.70, 15,164,878.05 and 5,805,246.60 is: 8,707,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,918.70 : 15,164,878.05 = 5,805,246.60 : x
  2. Step 2: Convert to fraction form
    10,109,918.70/15,164,878.05 = 5,805,246.60/x
  3. Step 3: Cross multiply
    10,109,918.70x = 15,164,878.05 × 5,805,246.60
  4. Step 4: Simplify right side
    10,109,918.70x = 88,035,856,739,177.12
  5. Step 5: Solve for x
    x = 88,035,856,739,177.12/10,109,918.70
  6. Step 6: Final answer
    x = 8,707,869.90

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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.