Home / 12,852,341.38-19,281,702.92-6,378,455.06

Finding the Fourth Proportional to 12,852,341.38, 19,281,702.92 and 6,378,455.06

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Solution

The fourth proportional to 12,852,341.38, 19,281,702.92 and 6,378,455.06 is: 9,569,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,341.38 : 19,281,702.92 = 6,378,455.06 : x
  2. Step 2: Convert to fraction form
    12,852,341.38/19,281,702.92 = 6,378,455.06/x
  3. Step 3: Cross multiply
    12,852,341.38x = 19,281,702.92 × 6,378,455.06
  4. Step 4: Simplify right side
    12,852,341.38x = 122,987,475,555,490.78
  5. Step 5: Solve for x
    x = 122,987,475,555,490.78/12,852,341.38
  6. Step 6: Final answer
    x = 9,569,266.17

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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.