Home / 8,740,910.70-13,111,366.05-5,339,688.30

Finding the Fourth Proportional to 8,740,910.70, 13,111,366.05 and 5,339,688.30

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Solution

The fourth proportional to 8,740,910.70, 13,111,366.05 and 5,339,688.30 is: 8,009,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,910.70 : 13,111,366.05 = 5,339,688.30 : x
  2. Step 2: Convert to fraction form
    8,740,910.70/13,111,366.05 = 5,339,688.30/x
  3. Step 3: Cross multiply
    8,740,910.70x = 13,111,366.05 × 5,339,688.30
  4. Step 4: Simplify right side
    8,740,910.70x = 70,010,607,894,202.22
  5. Step 5: Solve for x
    x = 70,010,607,894,202.22/8,740,910.70
  6. Step 6: Final answer
    x = 8,009,532.45

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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.