Home / 30,196,995.05-41,672,332.56-17,143,987.61

Finding the Fourth Proportional to 30,196,995.05, 41,672,332.56 and 17,143,987.61

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Solution

The fourth proportional to 30,196,995.05, 41,672,332.56 and 17,143,987.61 is: 23,658,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,995.05 : 41,672,332.56 = 17,143,987.61 : x
  2. Step 2: Convert to fraction form
    30,196,995.05/41,672,332.56 = 17,143,987.61/x
  3. Step 3: Cross multiply
    30,196,995.05x = 41,672,332.56 × 17,143,987.61
  4. Step 4: Simplify right side
    30,196,995.05x = 714,429,952,880,078
  5. Step 5: Solve for x
    x = 714,429,952,880,078/30,196,995.05
  6. Step 6: Final answer
    x = 23,658,975.07

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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.