Home / 19,521,137.70-29,281,706.55-9,955,199.70

Finding the Fourth Proportional to 19,521,137.70, 29,281,706.55 and 9,955,199.70

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Solution

The fourth proportional to 19,521,137.70, 29,281,706.55 and 9,955,199.70 is: 14,932,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,137.70 : 29,281,706.55 = 9,955,199.70 : x
  2. Step 2: Convert to fraction form
    19,521,137.70/29,281,706.55 = 9,955,199.70/x
  3. Step 3: Cross multiply
    19,521,137.70x = 29,281,706.55 × 9,955,199.70
  4. Step 4: Simplify right side
    19,521,137.70x = 291,505,236,262,048
  5. Step 5: Solve for x
    x = 291,505,236,262,048/19,521,137.70
  6. Step 6: Final answer
    x = 14,932,799.55

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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.