Home / 7,608,057.74-10,492,997.77-6,688,320.35

Finding the Fourth Proportional to 7,608,057.74, 10,492,997.77 and 6,688,320.35

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Solution

The fourth proportional to 7,608,057.74, 10,492,997.77 and 6,688,320.35 is: 9,224,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608,057.74 : 10,492,997.77 = 6,688,320.35 : x
  2. Step 2: Convert to fraction form
    7,608,057.74/10,492,997.77 = 6,688,320.35/x
  3. Step 3: Cross multiply
    7,608,057.74x = 10,492,997.77 × 6,688,320.35
  4. Step 4: Simplify right side
    7,608,057.74x = 70,180,530,555,142.09
  5. Step 5: Solve for x
    x = 70,180,530,555,142.09/7,608,057.74
  6. Step 6: Final answer
    x = 9,224,500.26

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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.