Home / 7,166,941.16-9,890,437.38-3,903,768.68

Finding the Fourth Proportional to 7,166,941.16, 9,890,437.38 and 3,903,768.68

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Solution

The fourth proportional to 7,166,941.16, 9,890,437.38 and 3,903,768.68 is: 5,387,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,941.16 : 9,890,437.38 = 3,903,768.68 : x
  2. Step 2: Convert to fraction form
    7,166,941.16/9,890,437.38 = 3,903,768.68/x
  3. Step 3: Cross multiply
    7,166,941.16x = 9,890,437.38 × 3,903,768.68
  4. Step 4: Simplify right side
    7,166,941.16x = 38,609,979,675,545.27
  5. Step 5: Solve for x
    x = 38,609,979,675,545.27/7,166,941.16
  6. Step 6: Final answer
    x = 5,387,232.69

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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.