Home / 10,911,293.45-16,366,940.18-6,659,765.45

Finding the Fourth Proportional to 10,911,293.45, 16,366,940.18 and 6,659,765.45

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Solution

The fourth proportional to 10,911,293.45, 16,366,940.18 and 6,659,765.45 is: 9,989,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,293.45 : 16,366,940.18 = 6,659,765.45 : x
  2. Step 2: Convert to fraction form
    10,911,293.45/16,366,940.18 = 6,659,765.45/x
  3. Step 3: Cross multiply
    10,911,293.45x = 16,366,940.18 × 6,659,765.45
  4. Step 4: Simplify right side
    10,911,293.45x = 108,999,982,732,980.78
  5. Step 5: Solve for x
    x = 108,999,982,732,980.78/10,911,293.45
  6. Step 6: Final answer
    x = 9,989,648.18

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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.