Home / 14,251,106.43-19,665,999.98-7,724,595.78

Finding the Fourth Proportional to 14,251,106.43, 19,665,999.98 and 7,724,595.78

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Solution

The fourth proportional to 14,251,106.43, 19,665,999.98 and 7,724,595.78 is: 10,659,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251,106.43 : 19,665,999.98 = 7,724,595.78 : x
  2. Step 2: Convert to fraction form
    14,251,106.43/19,665,999.98 = 7,724,595.78/x
  3. Step 3: Cross multiply
    14,251,106.43x = 19,665,999.98 × 7,724,595.78
  4. Step 4: Simplify right side
    14,251,106.43x = 151,911,900,454,988.09
  5. Step 5: Solve for x
    x = 151,911,900,454,988.09/14,251,106.43
  6. Step 6: Final answer
    x = 10,659,656.58

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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.