Home / 20,034,039.26-30,043,398.54-10,931,271.47

Finding the Fourth Proportional to 20,034,039.26, 30,043,398.54 and 10,931,271.47

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Solution

The fourth proportional to 20,034,039.26, 30,043,398.54 and 10,931,271.47 is: 16,392,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034,039.26 : 30,043,398.54 = 10,931,271.47 : x
  2. Step 2: Convert to fraction form
    20,034,039.26/30,043,398.54 = 10,931,271.47/x
  3. Step 3: Cross multiply
    20,034,039.26x = 30,043,398.54 × 10,931,271.47
  4. Step 4: Simplify right side
    20,034,039.26x = 328,412,545,349,469.88
  5. Step 5: Solve for x
    x = 328,412,545,349,469.88/20,034,039.26
  6. Step 6: Final answer
    x = 16,392,727.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.