Home / 30,716,486.16-42,388,470.82-16,777,839.03

Finding the Fourth Proportional to 30,716,486.16, 42,388,470.82 and 16,777,839.03

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Solution

The fourth proportional to 30,716,486.16, 42,388,470.82 and 16,777,839.03 is: 23,153,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716,486.16 : 42,388,470.82 = 16,777,839.03 : x
  2. Step 2: Convert to fraction form
    30,716,486.16/42,388,470.82 = 16,777,839.03/x
  3. Step 3: Cross multiply
    30,716,486.16x = 42,388,470.82 × 16,777,839.03
  4. Step 4: Simplify right side
    30,716,486.16x = 711,186,940,145,812.12
  5. Step 5: Solve for x
    x = 711,186,940,145,812.12/30,716,486.16
  6. Step 6: Final answer
    x = 23,153,264.88

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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.