Home / 12,553,638.80-18,832,207.80-5,365,115.60

Finding the Fourth Proportional to 12,553,638.80, 18,832,207.80 and 5,365,115.60

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Solution

The fourth proportional to 12,553,638.80, 18,832,207.80 and 5,365,115.60 is: 8,048,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,638.80 : 18,832,207.80 = 5,365,115.60 : x
  2. Step 2: Convert to fraction form
    12,553,638.80/18,832,207.80 = 5,365,115.60/x
  3. Step 3: Cross multiply
    12,553,638.80x = 18,832,207.80 × 5,365,115.60
  4. Step 4: Simplify right side
    12,553,638.80x = 101,036,971,850,221.67
  5. Step 5: Solve for x
    x = 101,036,971,850,221.67/12,553,638.80
  6. Step 6: Final answer
    x = 8,048,421.14

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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.