Home / 12,148,835.80-18,244,248.90-6,480,131.80

Finding the Fourth Proportional to 12,148,835.80, 18,244,248.90 and 6,480,131.80

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Solution

The fourth proportional to 12,148,835.80, 18,244,248.90 and 6,480,131.80 is: 9,731,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,835.80 : 18,244,248.90 = 6,480,131.80 : x
  2. Step 2: Convert to fraction form
    12,148,835.80/18,244,248.90 = 6,480,131.80/x
  3. Step 3: Cross multiply
    12,148,835.80x = 18,244,248.90 × 6,480,131.80
  4. Step 4: Simplify right side
    12,148,835.80x = 118,225,137,464,005
  5. Step 5: Solve for x
    x = 118,225,137,464,005/12,148,835.80
  6. Step 6: Final answer
    x = 9,731,396.44

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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.