Home / 13,100,178.60-19,657,266.30-5,912,821.80

Finding the Fourth Proportional to 13,100,178.60, 19,657,266.30 and 5,912,821.80

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Solution

The fourth proportional to 13,100,178.60, 19,657,266.30 and 5,912,821.80 is: 8,872,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,178.60 : 19,657,266.30 = 5,912,821.80 : x
  2. Step 2: Convert to fraction form
    13,100,178.60/19,657,266.30 = 5,912,821.80/x
  3. Step 3: Cross multiply
    13,100,178.60x = 19,657,266.30 × 5,912,821.80
  4. Step 4: Simplify right side
    13,100,178.60x = 116,229,912,707,045.34
  5. Step 5: Solve for x
    x = 116,229,912,707,045.34/13,100,178.60
  6. Step 6: Final answer
    x = 8,872,391.46

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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.