Home / 14,009,309.70-19,333,713.76-7,729,806.32

Finding the Fourth Proportional to 14,009,309.70, 19,333,713.76 and 7,729,806.32

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Solution

The fourth proportional to 14,009,309.70, 19,333,713.76 and 7,729,806.32 is: 10,667,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,309.70 : 19,333,713.76 = 7,729,806.32 : x
  2. Step 2: Convert to fraction form
    14,009,309.70/19,333,713.76 = 7,729,806.32/x
  3. Step 3: Cross multiply
    14,009,309.70x = 19,333,713.76 × 7,729,806.32
  4. Step 4: Simplify right side
    14,009,309.70x = 149,445,862,811,118.97
  5. Step 5: Solve for x
    x = 149,445,862,811,118.97/14,009,309.70
  6. Step 6: Final answer
    x = 10,667,610.75

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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.