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Finding the Fourth Proportional to 17,989,894.80, 24,826,058.80 and 10,151,070.78

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Solution

The fourth proportional to 17,989,894.80, 24,826,058.80 and 10,151,070.78 is: 14,008,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989,894.80 : 24,826,058.80 = 10,151,070.78 : x
  2. Step 2: Convert to fraction form
    17,989,894.80/24,826,058.80 = 10,151,070.78/x
  3. Step 3: Cross multiply
    17,989,894.80x = 24,826,058.80 × 10,151,070.78
  4. Step 4: Simplify right side
    17,989,894.80x = 252,011,080,067,241.84
  5. Step 5: Solve for x
    x = 252,011,080,067,241.84/17,989,894.80
  6. Step 6: Final answer
    x = 14,008,479.92

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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.