Home / 26,447,491.68-39,674,392.48-12,790,824.66

Finding the Fourth Proportional to 26,447,491.68, 39,674,392.48 and 12,790,824.66

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Solution

The fourth proportional to 26,447,491.68, 39,674,392.48 and 12,790,824.66 is: 19,187,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447,491.68 : 39,674,392.48 = 12,790,824.66 : x
  2. Step 2: Convert to fraction form
    26,447,491.68/39,674,392.48 = 12,790,824.66/x
  3. Step 3: Cross multiply
    26,447,491.68x = 39,674,392.48 × 12,790,824.66
  4. Step 4: Simplify right side
    26,447,491.68x = 507,468,197,703,702.50
  5. Step 5: Solve for x
    x = 507,468,197,703,702.50/26,447,491.68
  6. Step 6: Final answer
    x = 19,187,762.83

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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.