Home / 13,787,574.56-19,021,927.92-7,983,188

Finding the Fourth Proportional to 13,787,574.56, 19,021,927.92 and 7,983,188

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Solution

The fourth proportional to 13,787,574.56, 19,021,927.92 and 7,983,188 is: 11,013,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,574.56 : 19,021,927.92 = 7,983,188 : x
  2. Step 2: Convert to fraction form
    13,787,574.56/19,021,927.92 = 7,983,188/x
  3. Step 3: Cross multiply
    13,787,574.56x = 19,021,927.92 × 7,983,188
  4. Step 4: Simplify right side
    13,787,574.56x = 151,855,626,707,808.97
  5. Step 5: Solve for x
    x = 151,855,626,707,808.97/13,787,574.56
  6. Step 6: Final answer
    x = 11,013,947.82

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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.