Home / 13,615,234.56-18,793,835.52-12,162,407.04

Finding the Fourth Proportional to 13,615,234.56, 18,793,835.52 and 12,162,407.04

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Solution

The fourth proportional to 13,615,234.56, 18,793,835.52 and 12,162,407.04 is: 16,788,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,234.56 : 18,793,835.52 = 12,162,407.04 : x
  2. Step 2: Convert to fraction form
    13,615,234.56/18,793,835.52 = 12,162,407.04/x
  3. Step 3: Cross multiply
    13,615,234.56x = 18,793,835.52 × 12,162,407.04
  4. Step 4: Simplify right side
    13,615,234.56x = 228,578,277,437,050.03
  5. Step 5: Solve for x
    x = 228,578,277,437,050.03/13,615,234.56
  6. Step 6: Final answer
    x = 16,788,420.09

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1.5x scale

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.