Home / 39,113,860.80-58,670,499.60-11,820,100.80

Finding the Fourth Proportional to 39,113,860.80, 58,670,499.60 and 11,820,100.80

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Solution

The fourth proportional to 39,113,860.80, 58,670,499.60 and 11,820,100.80 is: 17,730,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113,860.80 : 58,670,499.60 = 11,820,100.80 : x
  2. Step 2: Convert to fraction form
    39,113,860.80/58,670,499.60 = 11,820,100.80/x
  3. Step 3: Cross multiply
    39,113,860.80x = 58,670,499.60 × 11,820,100.80
  4. Step 4: Simplify right side
    39,113,860.80x = 693,491,219,258,359.75
  5. Step 5: Solve for x
    x = 693,491,219,258,359.75/39,113,860.80
  6. Step 6: Final answer
    x = 17,730,063.08

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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.