Home / 12,824,655.36-19,239,932.16-3,849,377.28

Finding the Fourth Proportional to 12,824,655.36, 19,239,932.16 and 3,849,377.28

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Solution

The fourth proportional to 12,824,655.36, 19,239,932.16 and 3,849,377.28 is: 5,774,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,655.36 : 19,239,932.16 = 3,849,377.28 : x
  2. Step 2: Convert to fraction form
    12,824,655.36/19,239,932.16 = 3,849,377.28/x
  3. Step 3: Cross multiply
    12,824,655.36x = 19,239,932.16 × 3,849,377.28
  4. Step 4: Simplify right side
    12,824,655.36x = 74,061,757,725,445.33
  5. Step 5: Solve for x
    x = 74,061,757,725,445.33/12,824,655.36
  6. Step 6: Final answer
    x = 5,774,951.11

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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.