Home / 7,221,700.17-9,966,066.65-3,914,100.03

Finding the Fourth Proportional to 7,221,700.17, 9,966,066.65 and 3,914,100.03

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Solution

The fourth proportional to 7,221,700.17, 9,966,066.65 and 3,914,100.03 is: 5,401,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,700.17 : 9,966,066.65 = 3,914,100.03 : x
  2. Step 2: Convert to fraction form
    7,221,700.17/9,966,066.65 = 3,914,100.03/x
  3. Step 3: Cross multiply
    7,221,700.17x = 9,966,066.65 × 3,914,100.03
  4. Step 4: Simplify right side
    7,221,700.17x = 39,008,181,791,549.25
  5. Step 5: Solve for x
    x = 39,008,181,791,549.25/7,221,700.17
  6. Step 6: Final answer
    x = 5,401,523.31

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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.