Home / 7,403,422.10-11,109,280.35-3,142,865.30

Finding the Fourth Proportional to 7,403,422.10, 11,109,280.35 and 3,142,865.30

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Solution

The fourth proportional to 7,403,422.10, 11,109,280.35 and 3,142,865.30 is: 4,716,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,422.10 : 11,109,280.35 = 3,142,865.30 : x
  2. Step 2: Convert to fraction form
    7,403,422.10/11,109,280.35 = 3,142,865.30/x
  3. Step 3: Cross multiply
    7,403,422.10x = 11,109,280.35 × 3,142,865.30
  4. Step 4: Simplify right side
    7,403,422.10x = 34,914,971,719,986.85
  5. Step 5: Solve for x
    x = 34,914,971,719,986.85/7,403,422.10
  6. Step 6: Final answer
    x = 4,716,058.50

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1.5x scale

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.