Home / 7,210,973.23-9,951,145.30-3,947,995.20

Finding the Fourth Proportional to 7,210,973.23, 9,951,145.30 and 3,947,995.20

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Solution

The fourth proportional to 7,210,973.23, 9,951,145.30 and 3,947,995.20 is: 5,448,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,973.23 : 9,951,145.30 = 3,947,995.20 : x
  2. Step 2: Convert to fraction form
    7,210,973.23/9,951,145.30 = 3,947,995.20/x
  3. Step 3: Cross multiply
    7,210,973.23x = 9,951,145.30 × 3,947,995.20
  4. Step 4: Simplify right side
    7,210,973.23x = 39,287,073,921,154.34
  5. Step 5: Solve for x
    x = 39,287,073,921,154.34/7,210,973.23
  6. Step 6: Final answer
    x = 5,448,234.61

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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.