Home / 19,306,020.90-28,958,588.55-9,718,824.90

Finding the Fourth Proportional to 19,306,020.90, 28,958,588.55 and 9,718,824.90

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Solution

The fourth proportional to 19,306,020.90, 28,958,588.55 and 9,718,824.90 is: 14,578,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,020.90 : 28,958,588.55 = 9,718,824.90 : x
  2. Step 2: Convert to fraction form
    19,306,020.90/28,958,588.55 = 9,718,824.90/x
  3. Step 3: Cross multiply
    19,306,020.90x = 28,958,588.55 × 9,718,824.90
  4. Step 4: Simplify right side
    19,306,020.90x = 281,443,451,468,594.91
  5. Step 5: Solve for x
    x = 281,443,451,468,594.91/19,306,020.90
  6. Step 6: Final answer
    x = 14,578,014.44

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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.