Home / 8,808,139.70-13,212,209.55-7,464,446.90

Finding the Fourth Proportional to 8,808,139.70, 13,212,209.55 and 7,464,446.90

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Solution

The fourth proportional to 8,808,139.70, 13,212,209.55 and 7,464,446.90 is: 11,196,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,139.70 : 13,212,209.55 = 7,464,446.90 : x
  2. Step 2: Convert to fraction form
    8,808,139.70/13,212,209.55 = 7,464,446.90/x
  3. Step 3: Cross multiply
    8,808,139.70x = 13,212,209.55 × 7,464,446.90
  4. Step 4: Simplify right side
    8,808,139.70x = 98,621,836,617,647.91
  5. Step 5: Solve for x
    x = 98,621,836,617,647.91/8,808,139.70
  6. Step 6: Final answer
    x = 11,196,670.35

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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.