Home / 7,688,938.08-11,538,150.48-3,905,136.48

Finding the Fourth Proportional to 7,688,938.08, 11,538,150.48 and 3,905,136.48

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Solution

The fourth proportional to 7,688,938.08, 11,538,150.48 and 3,905,136.48 is: 5,860,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,938.08 : 11,538,150.48 = 3,905,136.48 : x
  2. Step 2: Convert to fraction form
    7,688,938.08/11,538,150.48 = 3,905,136.48/x
  3. Step 3: Cross multiply
    7,688,938.08x = 11,538,150.48 × 3,905,136.48
  4. Step 4: Simplify right side
    7,688,938.08x = 45,058,052,351,177.52
  5. Step 5: Solve for x
    x = 45,058,052,351,177.52/7,688,938.08
  6. Step 6: Final answer
    x = 5,860,113.83

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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.