Home / 7,931,405.84-10,945,409.28-4,309,733.84

Finding the Fourth Proportional to 7,931,405.84, 10,945,409.28 and 4,309,733.84

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Solution

The fourth proportional to 7,931,405.84, 10,945,409.28 and 4,309,733.84 is: 5,947,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,405.84 : 10,945,409.28 = 4,309,733.84 : x
  2. Step 2: Convert to fraction form
    7,931,405.84/10,945,409.28 = 4,309,733.84/x
  3. Step 3: Cross multiply
    7,931,405.84x = 10,945,409.28 × 4,309,733.84
  4. Step 4: Simplify right side
    7,931,405.84x = 47,171,800,766,666.03
  5. Step 5: Solve for x
    x = 47,171,800,766,666.03/7,931,405.84
  6. Step 6: Final answer
    x = 5,947,470.31

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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.