Home / 6,642,003.90-9,963,005.85-6,516,032.70

Finding the Fourth Proportional to 6,642,003.90, 9,963,005.85 and 6,516,032.70

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Solution

The fourth proportional to 6,642,003.90, 9,963,005.85 and 6,516,032.70 is: 9,774,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,003.90 : 9,963,005.85 = 6,516,032.70 : x
  2. Step 2: Convert to fraction form
    6,642,003.90/9,963,005.85 = 6,516,032.70/x
  3. Step 3: Cross multiply
    6,642,003.90x = 9,963,005.85 × 6,516,032.70
  4. Step 4: Simplify right side
    6,642,003.90x = 64,919,271,908,891.30
  5. Step 5: Solve for x
    x = 64,919,271,908,891.30/6,642,003.90
  6. Step 6: Final answer
    x = 9,774,049.05

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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.