Home / 20,238,841.32-27,929,513.34-10,946,420.88

Finding the Fourth Proportional to 20,238,841.32, 27,929,513.34 and 10,946,420.88

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Solution

The fourth proportional to 20,238,841.32, 27,929,513.34 and 10,946,420.88 is: 15,106,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,841.32 : 27,929,513.34 = 10,946,420.88 : x
  2. Step 2: Convert to fraction form
    20,238,841.32/27,929,513.34 = 10,946,420.88/x
  3. Step 3: Cross multiply
    20,238,841.32x = 27,929,513.34 × 10,946,420.88
  4. Step 4: Simplify right side
    20,238,841.32x = 305,728,207,993,214.56
  5. Step 5: Solve for x
    x = 305,728,207,993,214.56/20,238,841.32
  6. Step 6: Final answer
    x = 15,106,013.39

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1.5x scale

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.