Home / 12,852,339.38-19,281,699.92-6,378,453.06

Finding the Fourth Proportional to 12,852,339.38, 19,281,699.92 and 6,378,453.06

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Solution

The fourth proportional to 12,852,339.38, 19,281,699.92 and 6,378,453.06 is: 9,569,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,339.38 : 19,281,699.92 = 6,378,453.06 : x
  2. Step 2: Convert to fraction form
    12,852,339.38/19,281,699.92 = 6,378,453.06/x
  3. Step 3: Cross multiply
    12,852,339.38x = 19,281,699.92 × 6,378,453.06
  4. Step 4: Simplify right side
    12,852,339.38x = 122,987,417,856,725.77
  5. Step 5: Solve for x
    x = 122,987,417,856,725.77/12,852,339.38
  6. Step 6: Final answer
    x = 9,569,263.17

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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.