Home / 11,827,246.80-17,740,870.20-7,788,295.20

Finding the Fourth Proportional to 11,827,246.80, 17,740,870.20 and 7,788,295.20

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Solution

The fourth proportional to 11,827,246.80, 17,740,870.20 and 7,788,295.20 is: 11,682,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827,246.80 : 17,740,870.20 = 7,788,295.20 : x
  2. Step 2: Convert to fraction form
    11,827,246.80/17,740,870.20 = 7,788,295.20/x
  3. Step 3: Cross multiply
    11,827,246.80x = 17,740,870.20 × 7,788,295.20
  4. Step 4: Simplify right side
    11,827,246.80x = 138,171,134,222,483.03
  5. Step 5: Solve for x
    x = 138,171,134,222,483.03/11,827,246.80
  6. Step 6: Final answer
    x = 11,682,442.80

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1.5x scale

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.