Home / 7,187,175.20-10,780,762.80-7,045,457.60

Finding the Fourth Proportional to 7,187,175.20, 10,780,762.80 and 7,045,457.60

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Solution

The fourth proportional to 7,187,175.20, 10,780,762.80 and 7,045,457.60 is: 10,568,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,175.20 : 10,780,762.80 = 7,045,457.60 : x
  2. Step 2: Convert to fraction form
    7,187,175.20/10,780,762.80 = 7,045,457.60/x
  3. Step 3: Cross multiply
    7,187,175.20x = 10,780,762.80 × 7,045,457.60
  4. Step 4: Simplify right side
    7,187,175.20x = 75,955,407,203,057.28
  5. Step 5: Solve for x
    x = 75,955,407,203,057.28/7,187,175.20
  6. Step 6: Final answer
    x = 10,568,186.40

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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.