Home / 10,931,572.20-16,407,272.70-5,543,970.60

Finding the Fourth Proportional to 10,931,572.20, 16,407,272.70 and 5,543,970.60

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Solution

The fourth proportional to 10,931,572.20, 16,407,272.70 and 5,543,970.60 is: 8,320,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,572.20 : 16,407,272.70 = 5,543,970.60 : x
  2. Step 2: Convert to fraction form
    10,931,572.20/16,407,272.70 = 5,543,970.60/x
  3. Step 3: Cross multiply
    10,931,572.20x = 16,407,272.70 × 5,543,970.60
  4. Step 4: Simplify right side
    10,931,572.20x = 90,961,437,474,982.61
  5. Step 5: Solve for x
    x = 90,961,437,474,982.61/10,931,572.20
  6. Step 6: Final answer
    x = 8,320,984.01

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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.