Home / 7,405,438.23-10,220,450.13-4,142,434.23

Finding the Fourth Proportional to 7,405,438.23, 10,220,450.13 and 4,142,434.23

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Solution

The fourth proportional to 7,405,438.23, 10,220,450.13 and 4,142,434.23 is: 5,717,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,438.23 : 10,220,450.13 = 4,142,434.23 : x
  2. Step 2: Convert to fraction form
    7,405,438.23/10,220,450.13 = 4,142,434.23/x
  3. Step 3: Cross multiply
    7,405,438.23x = 10,220,450.13 × 4,142,434.23
  4. Step 4: Simplify right side
    7,405,438.23x = 42,337,542,464,519.95
  5. Step 5: Solve for x
    x = 42,337,542,464,519.95/7,405,438.23
  6. Step 6: Final answer
    x = 5,717,088.06

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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.