Home / 35,919,716.50-53,880,041.31-11,985,188.50

Finding the Fourth Proportional to 35,919,716.50, 53,880,041.31 and 11,985,188.50

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Solution

The fourth proportional to 35,919,716.50, 53,880,041.31 and 11,985,188.50 is: 17,977,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919,716.50 : 53,880,041.31 = 11,985,188.50 : x
  2. Step 2: Convert to fraction form
    35,919,716.50/53,880,041.31 = 11,985,188.50/x
  3. Step 3: Cross multiply
    35,919,716.50x = 53,880,041.31 × 11,985,188.50
  4. Step 4: Simplify right side
    35,919,716.50x = 645,762,451,488,137
  5. Step 5: Solve for x
    x = 645,762,451,488,137/35,919,716.50
  6. Step 6: Final answer
    x = 17,977,938.43

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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.