Home / 20,065,303.92-30,090,572.92-6,931,379.36

Finding the Fourth Proportional to 20,065,303.92, 30,090,572.92 and 6,931,379.36

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Solution

The fourth proportional to 20,065,303.92, 30,090,572.92 and 6,931,379.36 is: 10,394,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,303.92 : 30,090,572.92 = 6,931,379.36 : x
  2. Step 2: Convert to fraction form
    20,065,303.92/30,090,572.92 = 6,931,379.36/x
  3. Step 3: Cross multiply
    20,065,303.92x = 30,090,572.92 × 6,931,379.36
  4. Step 4: Simplify right side
    20,065,303.92x = 208,569,176,068,262.97
  5. Step 5: Solve for x
    x = 208,569,176,068,262.97/20,065,303.92
  6. Step 6: Final answer
    x = 10,394,518.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.