Home / 7,128,683.70-10,693,025.55-2,642,709.30

Finding the Fourth Proportional to 7,128,683.70, 10,693,025.55 and 2,642,709.30

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Solution

The fourth proportional to 7,128,683.70, 10,693,025.55 and 2,642,709.30 is: 3,964,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,683.70 : 10,693,025.55 = 2,642,709.30 : x
  2. Step 2: Convert to fraction form
    7,128,683.70/10,693,025.55 = 2,642,709.30/x
  3. Step 3: Cross multiply
    7,128,683.70x = 10,693,025.55 × 2,642,709.30
  4. Step 4: Simplify right side
    7,128,683.70x = 28,258,558,066,122.61
  5. Step 5: Solve for x
    x = 28,258,558,066,122.61/7,128,683.70
  6. Step 6: Final answer
    x = 3,964,063.95

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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.