Home / 7,931,403.84-10,945,406.52-4,309,731.84

Finding the Fourth Proportional to 7,931,403.84, 10,945,406.52 and 4,309,731.84

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Solution

The fourth proportional to 7,931,403.84, 10,945,406.52 and 4,309,731.84 is: 5,947,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,403.84 : 10,945,406.52 = 4,309,731.84 : x
  2. Step 2: Convert to fraction form
    7,931,403.84/10,945,406.52 = 4,309,731.84/x
  3. Step 3: Cross multiply
    7,931,403.84x = 10,945,406.52 × 4,309,731.84
  4. Step 4: Simplify right side
    7,931,403.84x = 47,171,766,980,987.59
  5. Step 5: Solve for x
    x = 47,171,766,980,987.59/7,931,403.84
  6. Step 6: Final answer
    x = 5,947,467.55

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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.