Home / 6,679,123.28-10,019,101.80-1,887,180.56

Finding the Fourth Proportional to 6,679,123.28, 10,019,101.80 and 1,887,180.56

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Solution

The fourth proportional to 6,679,123.28, 10,019,101.80 and 1,887,180.56 is: 2,830,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,123.28 : 10,019,101.80 = 1,887,180.56 : x
  2. Step 2: Convert to fraction form
    6,679,123.28/10,019,101.80 = 1,887,180.56/x
  3. Step 3: Cross multiply
    6,679,123.28x = 10,019,101.80 × 1,887,180.56
  4. Step 4: Simplify right side
    6,679,123.28x = 18,907,854,145,621.01
  5. Step 5: Solve for x
    x = 18,907,854,145,621.01/6,679,123.28
  6. Step 6: Final answer
    x = 2,830,888.63

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1.5x scale

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.