Home / 38,366,907.48-52,946,704.20-20,963,251.08

Finding the Fourth Proportional to 38,366,907.48, 52,946,704.20 and 20,963,251.08

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Solution

The fourth proportional to 38,366,907.48, 52,946,704.20 and 20,963,251.08 is: 28,929,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366,907.48 : 52,946,704.20 = 20,963,251.08 : x
  2. Step 2: Convert to fraction form
    38,366,907.48/52,946,704.20 = 20,963,251.08/x
  3. Step 3: Cross multiply
    38,366,907.48x = 52,946,704.20 × 20,963,251.08
  4. Step 4: Simplify right side
    38,366,907.48x = 1,109,935,054,003,090.50
  5. Step 5: Solve for x
    x = 1,109,935,054,003,090.50/38,366,907.48
  6. Step 6: Final answer
    x = 28,929,489.68

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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.