Home / 12,302,328.30-18,453,492.45-9,910,843.80

Finding the Fourth Proportional to 12,302,328.30, 18,453,492.45 and 9,910,843.80

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Solution

The fourth proportional to 12,302,328.30, 18,453,492.45 and 9,910,843.80 is: 14,866,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,328.30 : 18,453,492.45 = 9,910,843.80 : x
  2. Step 2: Convert to fraction form
    12,302,328.30/18,453,492.45 = 9,910,843.80/x
  3. Step 3: Cross multiply
    12,302,328.30x = 18,453,492.45 × 9,910,843.80
  4. Step 4: Simplify right side
    12,302,328.30x = 182,889,681,236,429.31
  5. Step 5: Solve for x
    x = 182,889,681,236,429.31/12,302,328.30
  6. Step 6: Final answer
    x = 14,866,265.70

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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.