Home / 13,930,885.56-20,886,788.70-7,094,224.92

Finding the Fourth Proportional to 13,930,885.56, 20,886,788.70 and 7,094,224.92

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Solution

The fourth proportional to 13,930,885.56, 20,886,788.70 and 7,094,224.92 is: 10,636,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,885.56 : 20,886,788.70 = 7,094,224.92 : x
  2. Step 2: Convert to fraction form
    13,930,885.56/20,886,788.70 = 7,094,224.92/x
  3. Step 3: Cross multiply
    13,930,885.56x = 20,886,788.70 × 7,094,224.92
  4. Step 4: Simplify right side
    13,930,885.56x = 148,175,576,894,314.41
  5. Step 5: Solve for x
    x = 148,175,576,894,314.41/13,930,885.56
  6. Step 6: Final answer
    x = 10,636,479.37

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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.