Home / 7,986,916.14-11,980,374.19-1,921,647.95

Finding the Fourth Proportional to 7,986,916.14, 11,980,374.19 and 1,921,647.95

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Solution

The fourth proportional to 7,986,916.14, 11,980,374.19 and 1,921,647.95 is: 2,882,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,916.14 : 11,980,374.19 = 1,921,647.95 : x
  2. Step 2: Convert to fraction form
    7,986,916.14/11,980,374.19 = 1,921,647.95/x
  3. Step 3: Cross multiply
    7,986,916.14x = 11,980,374.19 × 1,921,647.95
  4. Step 4: Simplify right side
    7,986,916.14x = 23,022,061,482,666.82
  5. Step 5: Solve for x
    x = 23,022,061,482,666.82/7,986,916.14
  6. Step 6: Final answer
    x = 2,882,471.92

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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.