Home / 11,008,401.60-16,512,602.40-9,307,790.40

Finding the Fourth Proportional to 11,008,401.60, 16,512,602.40 and 9,307,790.40

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Solution

The fourth proportional to 11,008,401.60, 16,512,602.40 and 9,307,790.40 is: 13,961,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,401.60 : 16,512,602.40 = 9,307,790.40 : x
  2. Step 2: Convert to fraction form
    11,008,401.60/16,512,602.40 = 9,307,790.40/x
  3. Step 3: Cross multiply
    11,008,401.60x = 16,512,602.40 × 9,307,790.40
  4. Step 4: Simplify right side
    11,008,401.60x = 153,695,842,097,736.97
  5. Step 5: Solve for x
    x = 153,695,842,097,736.97/11,008,401.60
  6. Step 6: Final answer
    x = 13,961,685.60

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Similar ratio
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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.