Home / 19,159,288.74-28,743,508.80-6,379,904.16

Finding the Fourth Proportional to 19,159,288.74, 28,743,508.80 and 6,379,904.16

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Solution

The fourth proportional to 19,159,288.74, 28,743,508.80 and 6,379,904.16 is: 9,571,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,288.74 : 28,743,508.80 = 6,379,904.16 : x
  2. Step 2: Convert to fraction form
    19,159,288.74/28,743,508.80 = 6,379,904.16/x
  3. Step 3: Cross multiply
    19,159,288.74x = 28,743,508.80 × 6,379,904.16
  4. Step 4: Simplify right side
    19,159,288.74x = 183,380,831,366,116.62
  5. Step 5: Solve for x
    x = 183,380,831,366,116.62/19,159,288.74
  6. Step 6: Final answer
    x = 9,571,379.91

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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.