Home / 7,938,378.10-10,961,132.49-6,099,938.52

Finding the Fourth Proportional to 7,938,378.10, 10,961,132.49 and 6,099,938.52

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Solution

The fourth proportional to 7,938,378.10, 10,961,132.49 and 6,099,938.52 is: 8,422,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,378.10 : 10,961,132.49 = 6,099,938.52 : x
  2. Step 2: Convert to fraction form
    7,938,378.10/10,961,132.49 = 6,099,938.52/x
  3. Step 3: Cross multiply
    7,938,378.10x = 10,961,132.49 × 6,099,938.52
  4. Step 4: Simplify right side
    7,938,378.10x = 66,862,234,257,470.27
  5. Step 5: Solve for x
    x = 66,862,234,257,470.27/7,938,378.10
  6. Step 6: Final answer
    x = 8,422,656.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.