Home / 7,688,568.96-10,607,896.64-5,365,399.68

Finding the Fourth Proportional to 7,688,568.96, 10,607,896.64 and 5,365,399.68

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Solution

The fourth proportional to 7,688,568.96, 10,607,896.64 and 5,365,399.68 is: 7,402,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,568.96 : 10,607,896.64 = 5,365,399.68 : x
  2. Step 2: Convert to fraction form
    7,688,568.96/10,607,896.64 = 5,365,399.68/x
  3. Step 3: Cross multiply
    7,688,568.96x = 10,607,896.64 × 5,365,399.68
  4. Step 4: Simplify right side
    7,688,568.96x = 56,915,605,237,729.08
  5. Step 5: Solve for x
    x = 56,915,605,237,729.08/7,688,568.96
  6. Step 6: Final answer
    x = 7,402,626.62

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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.