Home / 21,405,753.62-29,539,960.02-12,238,588.34

Finding the Fourth Proportional to 21,405,753.62, 29,539,960.02 and 12,238,588.34

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Solution

The fourth proportional to 21,405,753.62, 29,539,960.02 and 12,238,588.34 is: 16,889,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405,753.62 : 29,539,960.02 = 12,238,588.34 : x
  2. Step 2: Convert to fraction form
    21,405,753.62/29,539,960.02 = 12,238,588.34/x
  3. Step 3: Cross multiply
    21,405,753.62x = 29,539,960.02 × 12,238,588.34
  4. Step 4: Simplify right side
    21,405,753.62x = 361,527,410,264,838.19
  5. Step 5: Solve for x
    x = 361,527,410,264,838.19/21,405,753.62
  6. Step 6: Final answer
    x = 16,889,263.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.