Home / 20,733,648.06-31,100,472.10-13,194,038.46

Finding the Fourth Proportional to 20,733,648.06, 31,100,472.10 and 13,194,038.46

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Solution

The fourth proportional to 20,733,648.06, 31,100,472.10 and 13,194,038.46 is: 19,791,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,648.06 : 31,100,472.10 = 13,194,038.46 : x
  2. Step 2: Convert to fraction form
    20,733,648.06/31,100,472.10 = 13,194,038.46/x
  3. Step 3: Cross multiply
    20,733,648.06x = 31,100,472.10 × 13,194,038.46
  4. Step 4: Simplify right side
    20,733,648.06x = 410,340,825,011,557
  5. Step 5: Solve for x
    x = 410,340,825,011,557/20,733,648.06
  6. Step 6: Final answer
    x = 19,791,057.70

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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.