Home / 12,918,738.22-19,377,463.11-4,831,119.21

Finding the Fourth Proportional to 12,918,738.22, 19,377,463.11 and 4,831,119.21

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Solution

The fourth proportional to 12,918,738.22, 19,377,463.11 and 4,831,119.21 is: 7,246,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,738.22 : 19,377,463.11 = 4,831,119.21 : x
  2. Step 2: Convert to fraction form
    12,918,738.22/19,377,463.11 = 4,831,119.21/x
  3. Step 3: Cross multiply
    12,918,738.22x = 19,377,463.11 × 4,831,119.21
  4. Step 4: Simplify right side
    12,918,738.22x = 93,614,834,271,787.34
  5. Step 5: Solve for x
    x = 93,614,834,271,787.34/12,918,738.22
  6. Step 6: Final answer
    x = 7,246,437.90

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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.