Home / 7,510,628.20-10,364,669.68-4,072,868.32

Finding the Fourth Proportional to 7,510,628.20, 10,364,669.68 and 4,072,868.32

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Solution

The fourth proportional to 7,510,628.20, 10,364,669.68 and 4,072,868.32 is: 5,620,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510,628.20 : 10,364,669.68 = 4,072,868.32 : x
  2. Step 2: Convert to fraction form
    7,510,628.20/10,364,669.68 = 4,072,868.32/x
  3. Step 3: Cross multiply
    7,510,628.20x = 10,364,669.68 × 4,072,868.32
  4. Step 4: Simplify right side
    7,510,628.20x = 42,213,934,786,936.53
  5. Step 5: Solve for x
    x = 42,213,934,786,936.53/7,510,628.20
  6. Step 6: Final answer
    x = 5,620,559.78

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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.