Home / 21,347,388-31,987,550.16-16,501,568.40

Finding the Fourth Proportional to 21,347,388, 31,987,550.16 and 16,501,568.40

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Solution

The fourth proportional to 21,347,388, 31,987,550.16 and 16,501,568.40 is: 24,726,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,388 : 31,987,550.16 = 16,501,568.40 : x
  2. Step 2: Convert to fraction form
    21,347,388/31,987,550.16 = 16,501,568.40/x
  3. Step 3: Cross multiply
    21,347,388x = 31,987,550.16 × 16,501,568.40
  4. Step 4: Simplify right side
    21,347,388x = 527,844,746,913,670.94
  5. Step 5: Solve for x
    x = 527,844,746,913,670.94/21,347,388
  6. Step 6: Final answer
    x = 24,726,432.43

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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.