Home / 10,864,809.40-16,297,214.10-7,274,630.20

Finding the Fourth Proportional to 10,864,809.40, 16,297,214.10 and 7,274,630.20

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Solution

The fourth proportional to 10,864,809.40, 16,297,214.10 and 7,274,630.20 is: 10,911,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864,809.40 : 16,297,214.10 = 7,274,630.20 : x
  2. Step 2: Convert to fraction form
    10,864,809.40/16,297,214.10 = 7,274,630.20/x
  3. Step 3: Cross multiply
    10,864,809.40x = 16,297,214.10 × 7,274,630.20
  4. Step 4: Simplify right side
    10,864,809.40x = 118,556,205,867,725.83
  5. Step 5: Solve for x
    x = 118,556,205,867,725.83/10,864,809.40
  6. Step 6: Final answer
    x = 10,911,945.30

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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.