Home / 22,341,621.40-33,512,432.10-7,980,904.60

Finding the Fourth Proportional to 22,341,621.40, 33,512,432.10 and 7,980,904.60

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Solution

The fourth proportional to 22,341,621.40, 33,512,432.10 and 7,980,904.60 is: 11,971,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341,621.40 : 33,512,432.10 = 7,980,904.60 : x
  2. Step 2: Convert to fraction form
    22,341,621.40/33,512,432.10 = 7,980,904.60/x
  3. Step 3: Cross multiply
    22,341,621.40x = 33,512,432.10 × 7,980,904.60
  4. Step 4: Simplify right side
    22,341,621.40x = 267,459,523,504,077.66
  5. Step 5: Solve for x
    x = 267,459,523,504,077.66/22,341,621.40
  6. Step 6: Final answer
    x = 11,971,356.90

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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.