Home / 10,931,668.20-16,407,416.70-5,544,066.60

Finding the Fourth Proportional to 10,931,668.20, 16,407,416.70 and 5,544,066.60

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Solution

The fourth proportional to 10,931,668.20, 16,407,416.70 and 5,544,066.60 is: 8,321,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,668.20 : 16,407,416.70 = 5,544,066.60 : x
  2. Step 2: Convert to fraction form
    10,931,668.20/16,407,416.70 = 5,544,066.60/x
  3. Step 3: Cross multiply
    10,931,668.20x = 16,407,416.70 × 5,544,066.60
  4. Step 4: Simplify right side
    10,931,668.20x = 90,963,810,918,752.20
  5. Step 5: Solve for x
    x = 90,963,810,918,752.20/10,931,668.20
  6. Step 6: Final answer
    x = 8,321,128.05

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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.