Home / 14,511,579.39-20,025,374.79-7,896,193.82

Finding the Fourth Proportional to 14,511,579.39, 20,025,374.79 and 7,896,193.82

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Solution

The fourth proportional to 14,511,579.39, 20,025,374.79 and 7,896,193.82 is: 10,896,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511,579.39 : 20,025,374.79 = 7,896,193.82 : x
  2. Step 2: Convert to fraction form
    14,511,579.39/20,025,374.79 = 7,896,193.82/x
  3. Step 3: Cross multiply
    14,511,579.39x = 20,025,374.79 × 7,896,193.82
  4. Step 4: Simplify right side
    14,511,579.39x = 158,124,240,659,981.78
  5. Step 5: Solve for x
    x = 158,124,240,659,981.78/14,511,579.39
  6. Step 6: Final answer
    x = 10,896,418.40

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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.