Home / 10,746,007.10-16,119,010.65-8,620,243.10

Finding the Fourth Proportional to 10,746,007.10, 16,119,010.65 and 8,620,243.10

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Solution

The fourth proportional to 10,746,007.10, 16,119,010.65 and 8,620,243.10 is: 12,930,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746,007.10 : 16,119,010.65 = 8,620,243.10 : x
  2. Step 2: Convert to fraction form
    10,746,007.10/16,119,010.65 = 8,620,243.10/x
  3. Step 3: Cross multiply
    10,746,007.10x = 16,119,010.65 × 8,620,243.10
  4. Step 4: Simplify right side
    10,746,007.10x = 138,949,790,334,489.02
  5. Step 5: Solve for x
    x = 138,949,790,334,489.02/10,746,007.10
  6. Step 6: Final answer
    x = 12,930,364.65

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Double scale
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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.