Home / 7,800,127.20-10,764,720.72-4,362,685.92

Finding the Fourth Proportional to 7,800,127.20, 10,764,720.72 and 4,362,685.92

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Solution

The fourth proportional to 7,800,127.20, 10,764,720.72 and 4,362,685.92 is: 6,020,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,127.20 : 10,764,720.72 = 4,362,685.92 : x
  2. Step 2: Convert to fraction form
    7,800,127.20/10,764,720.72 = 4,362,685.92/x
  3. Step 3: Cross multiply
    7,800,127.20x = 10,764,720.72 × 4,362,685.92
  4. Step 4: Simplify right side
    7,800,127.20x = 46,963,095,517,876.27
  5. Step 5: Solve for x
    x = 46,963,095,517,876.27/7,800,127.20
  6. Step 6: Final answer
    x = 6,020,811.50

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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.