Home / 7,077,796.02-9,767,265.32-3,980,318.43

Finding the Fourth Proportional to 7,077,796.02, 9,767,265.32 and 3,980,318.43

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Solution

The fourth proportional to 7,077,796.02, 9,767,265.32 and 3,980,318.43 is: 5,492,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,796.02 : 9,767,265.32 = 3,980,318.43 : x
  2. Step 2: Convert to fraction form
    7,077,796.02/9,767,265.32 = 3,980,318.43/x
  3. Step 3: Cross multiply
    7,077,796.02x = 9,767,265.32 × 3,980,318.43
  4. Step 4: Simplify right side
    7,077,796.02x = 38,876,826,143,994.26
  5. Step 5: Solve for x
    x = 38,876,826,143,994.26/7,077,796.02
  6. Step 6: Final answer
    x = 5,492,787.02

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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.