Home / 11,766,078.40-17,630,455.20-7,772,324.80

Finding the Fourth Proportional to 11,766,078.40, 17,630,455.20 and 7,772,324.80

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Solution

The fourth proportional to 11,766,078.40, 17,630,455.20 and 7,772,324.80 is: 11,646,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766,078.40 : 17,630,455.20 = 7,772,324.80 : x
  2. Step 2: Convert to fraction form
    11,766,078.40/17,630,455.20 = 7,772,324.80/x
  3. Step 3: Cross multiply
    11,766,078.40x = 17,630,455.20 × 7,772,324.80
  4. Step 4: Simplify right side
    11,766,078.40x = 137,029,624,186,248.95
  5. Step 5: Solve for x
    x = 137,029,624,186,248.95/11,766,078.40
  6. Step 6: Final answer
    x = 11,646,159.37

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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.