Home / 12,145,823.04-16,761,236.58-6,639,219.72

Finding the Fourth Proportional to 12,145,823.04, 16,761,236.58 and 6,639,219.72

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Solution

The fourth proportional to 12,145,823.04, 16,761,236.58 and 6,639,219.72 is: 9,162,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,823.04 : 16,761,236.58 = 6,639,219.72 : x
  2. Step 2: Convert to fraction form
    12,145,823.04/16,761,236.58 = 6,639,219.72/x
  3. Step 3: Cross multiply
    12,145,823.04x = 16,761,236.58 × 6,639,219.72
  4. Step 4: Simplify right side
    12,145,823.04x = 111,281,532,433,521.36
  5. Step 5: Solve for x
    x = 111,281,532,433,521.36/12,145,823.04
  6. Step 6: Final answer
    x = 9,162,123.64

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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.