Home / 12,463,767.70-18,697,401.15-3,943,215.70

Finding the Fourth Proportional to 12,463,767.70, 18,697,401.15 and 3,943,215.70

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Solution

The fourth proportional to 12,463,767.70, 18,697,401.15 and 3,943,215.70 is: 5,915,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,767.70 : 18,697,401.15 = 3,943,215.70 : x
  2. Step 2: Convert to fraction form
    12,463,767.70/18,697,401.15 = 3,943,215.70/x
  3. Step 3: Cross multiply
    12,463,767.70x = 18,697,401.15 × 3,943,215.70
  4. Step 4: Simplify right side
    12,463,767.70x = 73,727,885,763,878.05
  5. Step 5: Solve for x
    x = 73,727,885,763,878.05/12,463,767.70
  6. Step 6: Final answer
    x = 5,915,377.08

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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.