Home / 19,432,865.80-29,161,740.30-11,345,825.80

Finding the Fourth Proportional to 19,432,865.80, 29,161,740.30 and 11,345,825.80

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Solution

The fourth proportional to 19,432,865.80, 29,161,740.30 and 11,345,825.80 is: 17,026,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,865.80 : 29,161,740.30 = 11,345,825.80 : x
  2. Step 2: Convert to fraction form
    19,432,865.80/29,161,740.30 = 11,345,825.80/x
  3. Step 3: Cross multiply
    19,432,865.80x = 29,161,740.30 × 11,345,825.80
  4. Step 4: Simplify right side
    19,432,865.80x = 330,864,025,468,639.75
  5. Step 5: Solve for x
    x = 330,864,025,468,639.75/19,432,865.80
  6. Step 6: Final answer
    x = 17,026,002.69

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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.