Home / 6,987,388.64-9,643,035.84-4,234,317.12

Finding the Fourth Proportional to 6,987,388.64, 9,643,035.84 and 4,234,317.12

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Solution

The fourth proportional to 6,987,388.64, 9,643,035.84 and 4,234,317.12 is: 5,843,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987,388.64 : 9,643,035.84 = 4,234,317.12 : x
  2. Step 2: Convert to fraction form
    6,987,388.64/9,643,035.84 = 4,234,317.12/x
  3. Step 3: Cross multiply
    6,987,388.64x = 9,643,035.84 × 4,234,317.12
  4. Step 4: Simplify right side
    6,987,388.64x = 40,831,671,746,085.58
  5. Step 5: Solve for x
    x = 40,831,671,746,085.58/6,987,388.64
  6. Step 6: Final answer
    x = 5,843,623.97

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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.