Home / 12,462,234.70-18,660,717.15-10,020,408.70

Finding the Fourth Proportional to 12,462,234.70, 18,660,717.15 and 10,020,408.70

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Solution

The fourth proportional to 12,462,234.70, 18,660,717.15 and 10,020,408.70 is: 15,004,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,234.70 : 18,660,717.15 = 10,020,408.70 : x
  2. Step 2: Convert to fraction form
    12,462,234.70/18,660,717.15 = 10,020,408.70/x
  3. Step 3: Cross multiply
    12,462,234.70x = 18,660,717.15 × 10,020,408.70
  4. Step 4: Simplify right side
    12,462,234.70x = 186,988,012,478,099.19
  5. Step 5: Solve for x
    x = 186,988,012,478,099.19/12,462,234.70
  6. Step 6: Final answer
    x = 15,004,372.57

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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.