Home / 20,896,099.22-28,835,034.90-11,726,970.50

Finding the Fourth Proportional to 20,896,099.22, 28,835,034.90 and 11,726,970.50

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Solution

The fourth proportional to 20,896,099.22, 28,835,034.90 and 11,726,970.50 is: 16,182,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,099.22 : 28,835,034.90 = 11,726,970.50 : x
  2. Step 2: Convert to fraction form
    20,896,099.22/28,835,034.90 = 11,726,970.50/x
  3. Step 3: Cross multiply
    20,896,099.22x = 28,835,034.90 × 11,726,970.50
  4. Step 4: Simplify right side
    20,896,099.22x = 338,147,603,638,770.44
  5. Step 5: Solve for x
    x = 338,147,603,638,770.44/20,896,099.22
  6. Step 6: Final answer
    x = 16,182,331.45

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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.