Home / 12,492,061.30-18,738,091.95-9,654,210.10

Finding the Fourth Proportional to 12,492,061.30, 18,738,091.95 and 9,654,210.10

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Solution

The fourth proportional to 12,492,061.30, 18,738,091.95 and 9,654,210.10 is: 14,481,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,061.30 : 18,738,091.95 = 9,654,210.10 : x
  2. Step 2: Convert to fraction form
    12,492,061.30/18,738,091.95 = 9,654,210.10/x
  3. Step 3: Cross multiply
    12,492,061.30x = 18,738,091.95 × 9,654,210.10
  4. Step 4: Simplify right side
    12,492,061.30x = 180,901,476,558,418.69
  5. Step 5: Solve for x
    x = 180,901,476,558,418.69/12,492,061.30
  6. Step 6: Final answer
    x = 14,481,315.15

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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.