Home / 16,128,573.60-24,159,682.80-8,154,890.40

Finding the Fourth Proportional to 16,128,573.60, 24,159,682.80 and 8,154,890.40

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Solution

The fourth proportional to 16,128,573.60, 24,159,682.80 and 8,154,890.40 is: 12,215,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,573.60 : 24,159,682.80 = 8,154,890.40 : x
  2. Step 2: Convert to fraction form
    16,128,573.60/24,159,682.80 = 8,154,890.40/x
  3. Step 3: Cross multiply
    16,128,573.60x = 24,159,682.80 × 8,154,890.40
  4. Step 4: Simplify right side
    16,128,573.60x = 197,019,565,332,765.12
  5. Step 5: Solve for x
    x = 197,019,565,332,765.12/16,128,573.60
  6. Step 6: Final answer
    x = 12,215,560.42

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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.