Home / 12,487,396.10-18,731,094.15-8,008,420.10

Finding the Fourth Proportional to 12,487,396.10, 18,731,094.15 and 8,008,420.10

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Solution

The fourth proportional to 12,487,396.10, 18,731,094.15 and 8,008,420.10 is: 12,012,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,396.10 : 18,731,094.15 = 8,008,420.10 : x
  2. Step 2: Convert to fraction form
    12,487,396.10/18,731,094.15 = 8,008,420.10/x
  3. Step 3: Cross multiply
    12,487,396.10x = 18,731,094.15 × 8,008,420.10
  4. Step 4: Simplify right side
    12,487,396.10x = 150,006,470,885,852.41
  5. Step 5: Solve for x
    x = 150,006,470,885,852.41/12,487,396.10
  6. Step 6: Final answer
    x = 12,012,630.15

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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.