Home / 10,641,876.20-15,943,460.70-6,140,781.80

Finding the Fourth Proportional to 10,641,876.20, 15,943,460.70 and 6,140,781.80

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Solution

The fourth proportional to 10,641,876.20, 15,943,460.70 and 6,140,781.80 is: 9,200,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,876.20 : 15,943,460.70 = 6,140,781.80 : x
  2. Step 2: Convert to fraction form
    10,641,876.20/15,943,460.70 = 6,140,781.80/x
  3. Step 3: Cross multiply
    10,641,876.20x = 15,943,460.70 × 6,140,781.80
  4. Step 4: Simplify right side
    10,641,876.20x = 97,905,313,295,575.25
  5. Step 5: Solve for x
    x = 97,905,313,295,575.25/10,641,876.20
  6. Step 6: Final answer
    x = 9,200,004.91

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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.