Home / 13,281,755.41-19,877,635.33-8,167,424.63

Finding the Fourth Proportional to 13,281,755.41, 19,877,635.33 and 8,167,424.63

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Solution

The fourth proportional to 13,281,755.41, 19,877,635.33 and 8,167,424.63 is: 12,223,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,755.41 : 19,877,635.33 = 8,167,424.63 : x
  2. Step 2: Convert to fraction form
    13,281,755.41/19,877,635.33 = 8,167,424.63/x
  3. Step 3: Cross multiply
    13,281,755.41x = 19,877,635.33 × 8,167,424.63
  4. Step 4: Simplify right side
    13,281,755.41x = 162,349,088,339,466.09
  5. Step 5: Solve for x
    x = 162,349,088,339,466.09/13,281,755.41
  6. Step 6: Final answer
    x = 12,223,466.20

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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.