Home / 7,405,454.37-10,220,472.39-4,142,450.37

Finding the Fourth Proportional to 7,405,454.37, 10,220,472.39 and 4,142,450.37

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Solution

The fourth proportional to 7,405,454.37, 10,220,472.39 and 4,142,450.37 is: 5,717,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,454.37 : 10,220,472.39 = 4,142,450.37 : x
  2. Step 2: Convert to fraction form
    7,405,454.37/10,220,472.39 = 4,142,450.37/x
  3. Step 3: Cross multiply
    7,405,454.37x = 10,220,472.39 × 4,142,450.37
  4. Step 4: Simplify right side
    7,405,454.37x = 42,337,799,633,530.29
  5. Step 5: Solve for x
    x = 42,337,799,633,530.29/7,405,454.37
  6. Step 6: Final answer
    x = 5,717,110.32

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Double scale
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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.