Home / 12,982,441.40-19,457,915.70-5,786,336.60

Finding the Fourth Proportional to 12,982,441.40, 19,457,915.70 and 5,786,336.60

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Solution

The fourth proportional to 12,982,441.40, 19,457,915.70 and 5,786,336.60 is: 8,672,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,441.40 : 19,457,915.70 = 5,786,336.60 : x
  2. Step 2: Convert to fraction form
    12,982,441.40/19,457,915.70 = 5,786,336.60/x
  3. Step 3: Cross multiply
    12,982,441.40x = 19,457,915.70 × 5,786,336.60
  4. Step 4: Simplify right side
    12,982,441.40x = 112,590,049,774,624.61
  5. Step 5: Solve for x
    x = 112,590,049,774,624.61/12,982,441.40
  6. Step 6: Final answer
    x = 8,672,486.65

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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.