Home / 15,276,759.66-21,081,507.75-8,401,241.70

Finding the Fourth Proportional to 15,276,759.66, 21,081,507.75 and 8,401,241.70

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Solution

The fourth proportional to 15,276,759.66, 21,081,507.75 and 8,401,241.70 is: 11,593,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,759.66 : 21,081,507.75 = 8,401,241.70 : x
  2. Step 2: Convert to fraction form
    15,276,759.66/21,081,507.75 = 8,401,241.70/x
  3. Step 3: Cross multiply
    15,276,759.66x = 21,081,507.75 × 8,401,241.70
  4. Step 4: Simplify right side
    15,276,759.66x = 177,110,842,008,173.16
  5. Step 5: Solve for x
    x = 177,110,842,008,173.16/15,276,759.66
  6. Step 6: Final answer
    x = 11,593,482.25

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1.5x scale

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.