Home / 19,123,744.43-26,389,997.39-10,421,730.20

Finding the Fourth Proportional to 19,123,744.43, 26,389,997.39 and 10,421,730.20

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Solution

The fourth proportional to 19,123,744.43, 26,389,997.39 and 10,421,730.20 is: 14,381,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,744.43 : 26,389,997.39 = 10,421,730.20 : x
  2. Step 2: Convert to fraction form
    19,123,744.43/26,389,997.39 = 10,421,730.20/x
  3. Step 3: Cross multiply
    19,123,744.43x = 26,389,997.39 × 10,421,730.20
  4. Step 4: Simplify right side
    19,123,744.43x = 275,029,432,593,225.56
  5. Step 5: Solve for x
    x = 275,029,432,593,225.56/19,123,744.43
  6. Step 6: Final answer
    x = 14,381,568.09

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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.