Home / 10,692,155.80-16,041,905.70-3,120,232.60

Finding the Fourth Proportional to 10,692,155.80, 16,041,905.70 and 3,120,232.60

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Solution

The fourth proportional to 10,692,155.80, 16,041,905.70 and 3,120,232.60 is: 4,681,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,155.80 : 16,041,905.70 = 3,120,232.60 : x
  2. Step 2: Convert to fraction form
    10,692,155.80/16,041,905.70 = 3,120,232.60/x
  3. Step 3: Cross multiply
    10,692,155.80x = 16,041,905.70 × 3,120,232.60
  4. Step 4: Simplify right side
    10,692,155.80x = 50,054,477,131,265.82
  5. Step 5: Solve for x
    x = 50,054,477,131,265.82/10,692,155.80
  6. Step 6: Final answer
    x = 4,681,420.48

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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.