Home / 20,123,764.88-27,788,059.56-19,473,019.76

Finding the Fourth Proportional to 20,123,764.88, 27,788,059.56 and 19,473,019.76

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Solution

The fourth proportional to 20,123,764.88, 27,788,059.56 and 19,473,019.76 is: 26,889,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,764.88 : 27,788,059.56 = 19,473,019.76 : x
  2. Step 2: Convert to fraction form
    20,123,764.88/27,788,059.56 = 19,473,019.76/x
  3. Step 3: Cross multiply
    20,123,764.88x = 27,788,059.56 × 19,473,019.76
  4. Step 4: Simplify right side
    20,123,764.88x = 541,117,432,903,936.94
  5. Step 5: Solve for x
    x = 541,117,432,903,936.94/20,123,764.88
  6. Step 6: Final answer
    x = 26,889,473.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.