Home / 13,408,472.24-18,504,300.98-7,902,079.48

Finding the Fourth Proportional to 13,408,472.24, 18,504,300.98 and 7,902,079.48

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Solution

The fourth proportional to 13,408,472.24, 18,504,300.98 and 7,902,079.48 is: 10,905,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,472.24 : 18,504,300.98 = 7,902,079.48 : x
  2. Step 2: Convert to fraction form
    13,408,472.24/18,504,300.98 = 7,902,079.48/x
  3. Step 3: Cross multiply
    13,408,472.24x = 18,504,300.98 × 7,902,079.48
  4. Step 4: Simplify right side
    13,408,472.24x = 146,222,457,039,296.34
  5. Step 5: Solve for x
    x = 146,222,457,039,296.34/13,408,472.24
  6. Step 6: Final answer
    x = 10,905,228.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.