Home / 39,811,279.80-59,716,919.70-12,904,246.20

Finding the Fourth Proportional to 39,811,279.80, 59,716,919.70 and 12,904,246.20

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Solution

The fourth proportional to 39,811,279.80, 59,716,919.70 and 12,904,246.20 is: 19,356,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811,279.80 : 59,716,919.70 = 12,904,246.20 : x
  2. Step 2: Convert to fraction form
    39,811,279.80/59,716,919.70 = 12,904,246.20/x
  3. Step 3: Cross multiply
    39,811,279.80x = 59,716,919.70 × 12,904,246.20
  4. Step 4: Simplify right side
    39,811,279.80x = 770,601,834,114,430.12
  5. Step 5: Solve for x
    x = 770,601,834,114,430.12/39,811,279.80
  6. Step 6: Final answer
    x = 19,356,369.30

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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.