Home / 10,900,628.96-15,043,209-6,255,264.64

Finding the Fourth Proportional to 10,900,628.96, 15,043,209 and 6,255,264.64

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Solution

The fourth proportional to 10,900,628.96, 15,043,209 and 6,255,264.64 is: 8,632,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,628.96 : 15,043,209 = 6,255,264.64 : x
  2. Step 2: Convert to fraction form
    10,900,628.96/15,043,209 = 6,255,264.64/x
  3. Step 3: Cross multiply
    10,900,628.96x = 15,043,209 × 6,255,264.64
  4. Step 4: Simplify right side
    10,900,628.96x = 94,099,253,329,829.75
  5. Step 5: Solve for x
    x = 94,099,253,329,829.75/10,900,628.96
  6. Step 6: Final answer
    x = 8,632,460.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.