Home / 19,311,189.46-28,962,293.78-7,186,363.05

Finding the Fourth Proportional to 19,311,189.46, 28,962,293.78 and 7,186,363.05

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Solution

The fourth proportional to 19,311,189.46, 28,962,293.78 and 7,186,363.05 is: 10,777,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311,189.46 : 28,962,293.78 = 7,186,363.05 : x
  2. Step 2: Convert to fraction form
    19,311,189.46/28,962,293.78 = 7,186,363.05/x
  3. Step 3: Cross multiply
    19,311,189.46x = 28,962,293.78 × 7,186,363.05
  4. Step 4: Simplify right side
    19,311,189.46x = 208,133,557,827,498.41
  5. Step 5: Solve for x
    x = 208,133,557,827,498.41/19,311,189.46
  6. Step 6: Final answer
    x = 10,777,873.53

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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.