Home / 7,931,400.50-10,945,398.30-4,309,728.50

Finding the Fourth Proportional to 7,931,400.50, 10,945,398.30 and 4,309,728.50

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Solution

The fourth proportional to 7,931,400.50, 10,945,398.30 and 4,309,728.50 is: 5,947,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,400.50 : 10,945,398.30 = 4,309,728.50 : x
  2. Step 2: Convert to fraction form
    7,931,400.50/10,945,398.30 = 4,309,728.50/x
  3. Step 3: Cross multiply
    7,931,400.50x = 10,945,398.30 × 4,309,728.50
  4. Step 4: Simplify right side
    7,931,400.50x = 47,171,694,997,361.55
  5. Step 5: Solve for x
    x = 47,171,694,997,361.55/7,931,400.50
  6. Step 6: Final answer
    x = 5,947,460.98

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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.