Home / 21,692,056.72-29,937,693.12-12,524,684.08

Finding the Fourth Proportional to 21,692,056.72, 29,937,693.12 and 12,524,684.08

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Solution

The fourth proportional to 21,692,056.72, 29,937,693.12 and 12,524,684.08 is: 17,285,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,056.72 : 29,937,693.12 = 12,524,684.08 : x
  2. Step 2: Convert to fraction form
    21,692,056.72/29,937,693.12 = 12,524,684.08/x
  3. Step 3: Cross multiply
    21,692,056.72x = 29,937,693.12 × 12,524,684.08
  4. Step 4: Simplify right side
    21,692,056.72x = 374,960,148,411,989.56
  5. Step 5: Solve for x
    x = 374,960,148,411,989.56/21,692,056.72
  6. Step 6: Final answer
    x = 17,285,596.90

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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.