Home / 5,425,105.40-8,139,731.70-5,340,087.80

Finding the Fourth Proportional to 5,425,105.40, 8,139,731.70 and 5,340,087.80

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Solution

The fourth proportional to 5,425,105.40, 8,139,731.70 and 5,340,087.80 is: 8,012,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,105.40 : 8,139,731.70 = 5,340,087.80 : x
  2. Step 2: Convert to fraction form
    5,425,105.40/8,139,731.70 = 5,340,087.80/x
  3. Step 3: Cross multiply
    5,425,105.40x = 8,139,731.70 × 5,340,087.80
  4. Step 4: Simplify right side
    5,425,105.40x = 43,466,881,946,443.26
  5. Step 5: Solve for x
    x = 43,466,881,946,443.26/5,425,105.40
  6. Step 6: Final answer
    x = 8,012,172.80

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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.