Home / 17,280,057.60-25,920,086.40-6,642,489.60

Finding the Fourth Proportional to 17,280,057.60, 25,920,086.40 and 6,642,489.60

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Solution

The fourth proportional to 17,280,057.60, 25,920,086.40 and 6,642,489.60 is: 9,963,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,057.60 : 25,920,086.40 = 6,642,489.60 : x
  2. Step 2: Convert to fraction form
    17,280,057.60/25,920,086.40 = 6,642,489.60/x
  3. Step 3: Cross multiply
    17,280,057.60x = 25,920,086.40 × 6,642,489.60
  4. Step 4: Simplify right side
    17,280,057.60x = 172,173,904,343,101.41
  5. Step 5: Solve for x
    x = 172,173,904,343,101.41/17,280,057.60
  6. Step 6: Final answer
    x = 9,963,734.40

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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.