Home / 7,166,047.12-9,898,609.74-5,309,234.98

Finding the Fourth Proportional to 7,166,047.12, 9,898,609.74 and 5,309,234.98

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Solution

The fourth proportional to 7,166,047.12, 9,898,609.74 and 5,309,234.98 is: 7,333,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,047.12 : 9,898,609.74 = 5,309,234.98 : x
  2. Step 2: Convert to fraction form
    7,166,047.12/9,898,609.74 = 5,309,234.98/x
  3. Step 3: Cross multiply
    7,166,047.12x = 9,898,609.74 × 5,309,234.98
  4. Step 4: Simplify right side
    7,166,047.12x = 52,554,045,084,976.71
  5. Step 5: Solve for x
    x = 52,554,045,084,976.71/7,166,047.12
  6. Step 6: Final answer
    x = 7,333,756.56

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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.