Home / 7,688,356.72-10,610,153.76-4,250,819.68

Finding the Fourth Proportional to 7,688,356.72, 10,610,153.76 and 4,250,819.68

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Solution

The fourth proportional to 7,688,356.72, 10,610,153.76 and 4,250,819.68 is: 5,866,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,356.72 : 10,610,153.76 = 4,250,819.68 : x
  2. Step 2: Convert to fraction form
    7,688,356.72/10,610,153.76 = 4,250,819.68/x
  3. Step 3: Cross multiply
    7,688,356.72x = 10,610,153.76 × 4,250,819.68
  4. Step 4: Simplify right side
    7,688,356.72x = 45,101,850,410,833.99
  5. Step 5: Solve for x
    x = 45,101,850,410,833.99/7,688,356.72
  6. Step 6: Final answer
    x = 5,866,253.62

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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.