Home / 7,912,905.90-11,869,230.06-2,521,483.53

Finding the Fourth Proportional to 7,912,905.90, 11,869,230.06 and 2,521,483.53

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Solution

The fourth proportional to 7,912,905.90, 11,869,230.06 and 2,521,483.53 is: 3,782,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,905.90 : 11,869,230.06 = 2,521,483.53 : x
  2. Step 2: Convert to fraction form
    7,912,905.90/11,869,230.06 = 2,521,483.53/x
  3. Step 3: Cross multiply
    7,912,905.90x = 11,869,230.06 × 2,521,483.53
  4. Step 4: Simplify right side
    7,912,905.90x = 29,928,068,110,070.91
  5. Step 5: Solve for x
    x = 29,928,068,110,070.91/7,912,905.90
  6. Step 6: Final answer
    x = 3,782,184.26

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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.