Home / 10,867,983.03-15,010,970.22-7,923,136.50

Finding the Fourth Proportional to 10,867,983.03, 15,010,970.22 and 7,923,136.50

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Solution

The fourth proportional to 10,867,983.03, 15,010,970.22 and 7,923,136.50 is: 10,943,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,983.03 : 15,010,970.22 = 7,923,136.50 : x
  2. Step 2: Convert to fraction form
    10,867,983.03/15,010,970.22 = 7,923,136.50/x
  3. Step 3: Cross multiply
    10,867,983.03x = 15,010,970.22 × 7,923,136.50
  4. Step 4: Simplify right side
    10,867,983.03x = 118,933,966,050,495.03
  5. Step 5: Solve for x
    x = 118,933,966,050,495.03/10,867,983.03
  6. Step 6: Final answer
    x = 10,943,517.83

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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.