Home / 9,966,171.10-14,949,256.65-9,777,214.30

Finding the Fourth Proportional to 9,966,171.10, 14,949,256.65 and 9,777,214.30

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Solution

The fourth proportional to 9,966,171.10, 14,949,256.65 and 9,777,214.30 is: 14,665,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,171.10 : 14,949,256.65 = 9,777,214.30 : x
  2. Step 2: Convert to fraction form
    9,966,171.10/14,949,256.65 = 9,777,214.30/x
  3. Step 3: Cross multiply
    9,966,171.10x = 14,949,256.65 × 9,777,214.30
  4. Step 4: Simplify right side
    9,966,171.10x = 146,162,085,892,750.12
  5. Step 5: Solve for x
    x = 146,162,085,892,750.12/9,966,171.10
  6. Step 6: Final answer
    x = 14,665,821.45

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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.