Home / 10,630,709.73-15,948,390.11-3,442,970.21

Finding the Fourth Proportional to 10,630,709.73, 15,948,390.11 and 3,442,970.21

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Solution

The fourth proportional to 10,630,709.73, 15,948,390.11 and 3,442,970.21 is: 5,165,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,709.73 : 15,948,390.11 = 3,442,970.21 : x
  2. Step 2: Convert to fraction form
    10,630,709.73/15,948,390.11 = 3,442,970.21/x
  3. Step 3: Cross multiply
    10,630,709.73x = 15,948,390.11 × 3,442,970.21
  4. Step 4: Simplify right side
    10,630,709.73x = 54,909,831,949,231.83
  5. Step 5: Solve for x
    x = 54,909,831,949,231.83/10,630,709.73
  6. Step 6: Final answer
    x = 5,165,208.47

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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.