Home / 39,977,178.34-59,965,609.12-12,685,599.36

Finding the Fourth Proportional to 39,977,178.34, 59,965,609.12 and 12,685,599.36

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Solution

The fourth proportional to 39,977,178.34, 59,965,609.12 and 12,685,599.36 is: 19,028,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977,178.34 : 59,965,609.12 = 12,685,599.36 : x
  2. Step 2: Convert to fraction form
    39,977,178.34/59,965,609.12 = 12,685,599.36/x
  3. Step 3: Cross multiply
    39,977,178.34x = 59,965,609.12 × 12,685,599.36
  4. Step 4: Simplify right side
    39,977,178.34x = 760,699,692,441,132.38
  5. Step 5: Solve for x
    x = 760,699,692,441,132.38/39,977,178.34
  6. Step 6: Final answer
    x = 19,028,348.78

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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.