Home / 12,240,124.40-18,318,196.20-11,232,354.80

Finding the Fourth Proportional to 12,240,124.40, 18,318,196.20 and 11,232,354.80

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Solution

The fourth proportional to 12,240,124.40, 18,318,196.20 and 11,232,354.80 is: 16,809,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,124.40 : 18,318,196.20 = 11,232,354.80 : x
  2. Step 2: Convert to fraction form
    12,240,124.40/18,318,196.20 = 11,232,354.80/x
  3. Step 3: Cross multiply
    12,240,124.40x = 18,318,196.20 × 11,232,354.80
  4. Step 4: Simplify right side
    12,240,124.40x = 205,756,479,014,411.75
  5. Step 5: Solve for x
    x = 205,756,479,014,411.75/12,240,124.40
  6. Step 6: Final answer
    x = 16,809,999.01

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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.