Home / 20,693,772.70-31,043,939.55-7,048,204.90

Finding the Fourth Proportional to 20,693,772.70, 31,043,939.55 and 7,048,204.90

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Solution

The fourth proportional to 20,693,772.70, 31,043,939.55 and 7,048,204.90 is: 10,573,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,772.70 : 31,043,939.55 = 7,048,204.90 : x
  2. Step 2: Convert to fraction form
    20,693,772.70/31,043,939.55 = 7,048,204.90/x
  3. Step 3: Cross multiply
    20,693,772.70x = 31,043,939.55 × 7,048,204.90
  4. Step 4: Simplify right side
    20,693,772.70x = 218,804,046,851,613.81
  5. Step 5: Solve for x
    x = 218,804,046,851,613.81/20,693,772.70
  6. Step 6: Final answer
    x = 10,573,424.67

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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.