Home / 13,140,371.36-19,707,135.60-5,563,436.96

Finding the Fourth Proportional to 13,140,371.36, 19,707,135.60 and 5,563,436.96

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Solution

The fourth proportional to 13,140,371.36, 19,707,135.60 and 5,563,436.96 is: 8,343,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,371.36 : 19,707,135.60 = 5,563,436.96 : x
  2. Step 2: Convert to fraction form
    13,140,371.36/19,707,135.60 = 5,563,436.96/x
  3. Step 3: Cross multiply
    13,140,371.36x = 19,707,135.60 × 5,563,436.96
  4. Step 4: Simplify right side
    13,140,371.36x = 109,639,406,572,771.78
  5. Step 5: Solve for x
    x = 109,639,406,572,771.78/13,140,371.36
  6. Step 6: Final answer
    x = 8,343,706.85

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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.