Home / 19,586,065.20-29,385,002.70-10,492,519.20

Finding the Fourth Proportional to 19,586,065.20, 29,385,002.70 and 10,492,519.20

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Solution

The fourth proportional to 19,586,065.20, 29,385,002.70 and 10,492,519.20 is: 15,741,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,065.20 : 29,385,002.70 = 10,492,519.20 : x
  2. Step 2: Convert to fraction form
    19,586,065.20/29,385,002.70 = 10,492,519.20/x
  3. Step 3: Cross multiply
    19,586,065.20x = 29,385,002.70 × 10,492,519.20
  4. Step 4: Simplify right side
    19,586,065.20x = 308,322,705,021,801.81
  5. Step 5: Solve for x
    x = 308,322,705,021,801.81/19,586,065.20
  6. Step 6: Final answer
    x = 15,741,942.13

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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.