Home / 21,826,432.90-32,730,641.34-7,450,659.82

Finding the Fourth Proportional to 21,826,432.90, 32,730,641.34 and 7,450,659.82

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Solution

The fourth proportional to 21,826,432.90, 32,730,641.34 and 7,450,659.82 is: 11,172,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826,432.90 : 32,730,641.34 = 7,450,659.82 : x
  2. Step 2: Convert to fraction form
    21,826,432.90/32,730,641.34 = 7,450,659.82/x
  3. Step 3: Cross multiply
    21,826,432.90x = 32,730,641.34 × 7,450,659.82
  4. Step 4: Simplify right side
    21,826,432.90x = 243,864,874,314,768.97
  5. Step 5: Solve for x
    x = 243,864,874,314,768.97/21,826,432.90
  6. Step 6: Final answer
    x = 11,172,914.76

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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.