Home / 21,880,597.52-30,197,042.85-12,092,952.39

Finding the Fourth Proportional to 21,880,597.52, 30,197,042.85 and 12,092,952.39

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Solution

The fourth proportional to 21,880,597.52, 30,197,042.85 and 12,092,952.39 is: 16,689,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,597.52 : 30,197,042.85 = 12,092,952.39 : x
  2. Step 2: Convert to fraction form
    21,880,597.52/30,197,042.85 = 12,092,952.39/x
  3. Step 3: Cross multiply
    21,880,597.52x = 30,197,042.85 × 12,092,952.39
  4. Step 4: Simplify right side
    21,880,597.52x = 365,171,401,503,839.94
  5. Step 5: Solve for x
    x = 365,171,401,503,839.94/21,880,597.52
  6. Step 6: Final answer
    x = 16,689,279.22

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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.