Home / 8,869,140.90-13,303,711.35-6,743,376.90

Finding the Fourth Proportional to 8,869,140.90, 13,303,711.35 and 6,743,376.90

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Solution

The fourth proportional to 8,869,140.90, 13,303,711.35 and 6,743,376.90 is: 10,115,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,140.90 : 13,303,711.35 = 6,743,376.90 : x
  2. Step 2: Convert to fraction form
    8,869,140.90/13,303,711.35 = 6,743,376.90/x
  3. Step 3: Cross multiply
    8,869,140.90x = 13,303,711.35 × 6,743,376.90
  4. Step 4: Simplify right side
    8,869,140.90x = 89,711,939,801,857.81
  5. Step 5: Solve for x
    x = 89,711,939,801,857.81/8,869,140.90
  6. Step 6: Final answer
    x = 10,115,065.35

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Double scale
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Similar ratio
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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.