Home / 21,593,352.60-29,798,828.82-11,803,836.72

Finding the Fourth Proportional to 21,593,352.60, 29,798,828.82 and 11,803,836.72

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Solution

The fourth proportional to 21,593,352.60, 29,798,828.82 and 11,803,836.72 is: 16,289,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593,352.60 : 29,798,828.82 = 11,803,836.72 : x
  2. Step 2: Convert to fraction form
    21,593,352.60/29,798,828.82 = 11,803,836.72/x
  3. Step 3: Cross multiply
    21,593,352.60x = 29,798,828.82 × 11,803,836.72
  4. Step 4: Simplify right side
    21,593,352.60x = 351,740,509,838,510.31
  5. Step 5: Solve for x
    x = 351,740,509,838,510.31/21,593,352.60
  6. Step 6: Final answer
    x = 16,289,295.89

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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.