Home / 21,041,959.05-29,057,957.06-19,895,603.24

Finding the Fourth Proportional to 21,041,959.05, 29,057,957.06 and 19,895,603.24

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Solution

The fourth proportional to 21,041,959.05, 29,057,957.06 and 19,895,603.24 is: 27,474,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,959.05 : 29,057,957.06 = 19,895,603.24 : x
  2. Step 2: Convert to fraction form
    21,041,959.05/29,057,957.06 = 19,895,603.24/x
  3. Step 3: Cross multiply
    21,041,959.05x = 29,057,957.06 × 19,895,603.24
  4. Step 4: Simplify right side
    21,041,959.05x = 578,125,584,385,949
  5. Step 5: Solve for x
    x = 578,125,584,385,949/21,041,959.05
  6. Step 6: Final answer
    x = 27,474,893.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.