Home / 30,713,389.07-42,384,217.07-16,962,057.95

Finding the Fourth Proportional to 30,713,389.07, 42,384,217.07 and 16,962,057.95

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Solution

The fourth proportional to 30,713,389.07, 42,384,217.07 and 16,962,057.95 is: 23,407,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713,389.07 : 42,384,217.07 = 16,962,057.95 : x
  2. Step 2: Convert to fraction form
    30,713,389.07/42,384,217.07 = 16,962,057.95/x
  3. Step 3: Cross multiply
    30,713,389.07x = 42,384,217.07 × 16,962,057.95
  4. Step 4: Simplify right side
    30,713,389.07x = 718,923,545,809,987.75
  5. Step 5: Solve for x
    x = 718,923,545,809,987.75/30,713,389.07
  6. Step 6: Final answer
    x = 23,407,496.46

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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.