Home / 14,422,436.79-19,902,206.94-7,894,815.88

Finding the Fourth Proportional to 14,422,436.79, 19,902,206.94 and 7,894,815.88

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Solution

The fourth proportional to 14,422,436.79, 19,902,206.94 and 7,894,815.88 is: 10,894,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422,436.79 : 19,902,206.94 = 7,894,815.88 : x
  2. Step 2: Convert to fraction form
    14,422,436.79/19,902,206.94 = 7,894,815.88/x
  3. Step 3: Cross multiply
    14,422,436.79x = 19,902,206.94 × 7,894,815.88
  4. Step 4: Simplify right side
    14,422,436.79x = 157,124,259,298,708.50
  5. Step 5: Solve for x
    x = 157,124,259,298,708.50/14,422,436.79
  6. Step 6: Final answer
    x = 10,894,432.17

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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.