Home / 19,421,648-29,133,871.76-7,454,384

Finding the Fourth Proportional to 19,421,648, 29,133,871.76 and 7,454,384

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Solution

The fourth proportional to 19,421,648, 29,133,871.76 and 7,454,384 is: 11,182,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,648 : 29,133,871.76 = 7,454,384 : x
  2. Step 2: Convert to fraction form
    19,421,648/29,133,871.76 = 7,454,384/x
  3. Step 3: Cross multiply
    19,421,648x = 29,133,871.76 × 7,454,384
  4. Step 4: Simplify right side
    19,421,648x = 217,175,067,505,795.84
  5. Step 5: Solve for x
    x = 217,175,067,505,795.84/19,421,648
  6. Step 6: Final answer
    x = 11,182,113.25

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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.