Home / 39,113,861.80-58,670,501.10-11,820,101.80

Finding the Fourth Proportional to 39,113,861.80, 58,670,501.10 and 11,820,101.80

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Solution

The fourth proportional to 39,113,861.80, 58,670,501.10 and 11,820,101.80 is: 17,730,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113,861.80 : 58,670,501.10 = 11,820,101.80 : x
  2. Step 2: Convert to fraction form
    39,113,861.80/58,670,501.10 = 11,820,101.80/x
  3. Step 3: Cross multiply
    39,113,861.80x = 58,670,501.10 × 11,820,101.80
  4. Step 4: Simplify right side
    39,113,861.80x = 693,491,295,659,012
  5. Step 5: Solve for x
    x = 693,491,295,659,012/39,113,861.80
  6. Step 6: Final answer
    x = 17,730,064.58

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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.