Home / 10,216,221.84-15,334,305.60-8,437,228.56

Finding the Fourth Proportional to 10,216,221.84, 15,334,305.60 and 8,437,228.56

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Solution

The fourth proportional to 10,216,221.84, 15,334,305.60 and 8,437,228.56 is: 12,664,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216,221.84 : 15,334,305.60 = 8,437,228.56 : x
  2. Step 2: Convert to fraction form
    10,216,221.84/15,334,305.60 = 8,437,228.56/x
  3. Step 3: Cross multiply
    10,216,221.84x = 15,334,305.60 × 8,437,228.56
  4. Step 4: Simplify right side
    10,216,221.84x = 129,379,041,156,087.94
  5. Step 5: Solve for x
    x = 129,379,041,156,087.94/10,216,221.84
  6. Step 6: Final answer
    x = 12,664,079.07

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1.5x scale

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.