Home / 7,718,372.18-10,652,007.77-4,281,720.38

Finding the Fourth Proportional to 7,718,372.18, 10,652,007.77 and 4,281,720.38

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Solution

The fourth proportional to 7,718,372.18, 10,652,007.77 and 4,281,720.38 is: 5,909,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,372.18 : 10,652,007.77 = 4,281,720.38 : x
  2. Step 2: Convert to fraction form
    7,718,372.18/10,652,007.77 = 4,281,720.38/x
  3. Step 3: Cross multiply
    7,718,372.18x = 10,652,007.77 × 4,281,720.38
  4. Step 4: Simplify right side
    7,718,372.18x = 45,608,918,756,727.35
  5. Step 5: Solve for x
    x = 45,608,918,756,727.35/7,718,372.18
  6. Step 6: Final answer
    x = 5,909,137.02

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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.