Home / 19,159,228.86-28,743,418.98-6,379,844.28

Finding the Fourth Proportional to 19,159,228.86, 28,743,418.98 and 6,379,844.28

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Solution

The fourth proportional to 19,159,228.86, 28,743,418.98 and 6,379,844.28 is: 9,571,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,228.86 : 28,743,418.98 = 6,379,844.28 : x
  2. Step 2: Convert to fraction form
    19,159,228.86/28,743,418.98 = 6,379,844.28/x
  3. Step 3: Cross multiply
    19,159,228.86x = 28,743,418.98 × 6,379,844.28
  4. Step 4: Simplify right side
    19,159,228.86x = 183,378,537,167,196.44
  5. Step 5: Solve for x
    x = 183,378,537,167,196.44/19,159,228.86
  6. Step 6: Final answer
    x = 9,571,290.08

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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.