Home / 23,139,672.95-31,932,056.61-12,685,331.73

Finding the Fourth Proportional to 23,139,672.95, 31,932,056.61 and 12,685,331.73

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Solution

The fourth proportional to 23,139,672.95, 31,932,056.61 and 12,685,331.73 is: 17,505,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139,672.95 : 31,932,056.61 = 12,685,331.73 : x
  2. Step 2: Convert to fraction form
    23,139,672.95/31,932,056.61 = 12,685,331.73/x
  3. Step 3: Cross multiply
    23,139,672.95x = 31,932,056.61 × 12,685,331.73
  4. Step 4: Simplify right side
    23,139,672.95x = 405,068,730,918,989.25
  5. Step 5: Solve for x
    x = 405,068,730,918,989.25/23,139,672.95
  6. Step 6: Final answer
    x = 17,505,378.40

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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.