Home / 7,113,341.60-10,638,519.60-5,979,600.80

Finding the Fourth Proportional to 7,113,341.60, 10,638,519.60 and 5,979,600.80

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Solution

The fourth proportional to 7,113,341.60, 10,638,519.60 and 5,979,600.80 is: 8,942,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,341.60 : 10,638,519.60 = 5,979,600.80 : x
  2. Step 2: Convert to fraction form
    7,113,341.60/10,638,519.60 = 5,979,600.80/x
  3. Step 3: Cross multiply
    7,113,341.60x = 10,638,519.60 × 5,979,600.80
  4. Step 4: Simplify right side
    7,113,341.60x = 63,614,100,310,975.68
  5. Step 5: Solve for x
    x = 63,614,100,310,975.68/7,113,341.60
  6. Step 6: Final answer
    x = 8,942,927.80

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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.