Home / 12,492,070.30-18,738,105.45-9,654,219.10

Finding the Fourth Proportional to 12,492,070.30, 18,738,105.45 and 9,654,219.10

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Solution

The fourth proportional to 12,492,070.30, 18,738,105.45 and 9,654,219.10 is: 14,481,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,070.30 : 18,738,105.45 = 9,654,219.10 : x
  2. Step 2: Convert to fraction form
    12,492,070.30/18,738,105.45 = 9,654,219.10/x
  3. Step 3: Cross multiply
    12,492,070.30x = 18,738,105.45 × 9,654,219.10
  4. Step 4: Simplify right side
    12,492,070.30x = 180,901,775,533,204.09
  5. Step 5: Solve for x
    x = 180,901,775,533,204.09/12,492,070.30
  6. Step 6: Final answer
    x = 14,481,328.65

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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.