Home / 12,852,894.98-19,278,663.44-4,215,857.72

Finding the Fourth Proportional to 12,852,894.98, 19,278,663.44 and 4,215,857.72

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Solution

The fourth proportional to 12,852,894.98, 19,278,663.44 and 4,215,857.72 is: 6,323,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,894.98 : 19,278,663.44 = 4,215,857.72 : x
  2. Step 2: Convert to fraction form
    12,852,894.98/19,278,663.44 = 4,215,857.72/x
  3. Step 3: Cross multiply
    12,852,894.98x = 19,278,663.44 × 4,215,857.72
  4. Step 4: Simplify right side
    12,852,894.98x = 81,276,101,977,333.14
  5. Step 5: Solve for x
    x = 81,276,101,977,333.14/12,852,894.98
  6. Step 6: Final answer
    x = 6,323,563.85

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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.