Home / 12,426,921.86-17,140,318.17-8,294,869.67

Finding the Fourth Proportional to 12,426,921.86, 17,140,318.17 and 8,294,869.67

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Solution

The fourth proportional to 12,426,921.86, 17,140,318.17 and 8,294,869.67 is: 11,441,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,921.86 : 17,140,318.17 = 8,294,869.67 : x
  2. Step 2: Convert to fraction form
    12,426,921.86/17,140,318.17 = 8,294,869.67/x
  3. Step 3: Cross multiply
    12,426,921.86x = 17,140,318.17 × 8,294,869.67
  4. Step 4: Simplify right side
    12,426,921.86x = 142,176,705,205,675.56
  5. Step 5: Solve for x
    x = 142,176,705,205,675.56/12,426,921.86
  6. Step 6: Final answer
    x = 11,441,023.52

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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.