Home / 12,290,466.30-18,435,699.45-5,897,427.90

Finding the Fourth Proportional to 12,290,466.30, 18,435,699.45 and 5,897,427.90

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Solution

The fourth proportional to 12,290,466.30, 18,435,699.45 and 5,897,427.90 is: 8,846,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,466.30 : 18,435,699.45 = 5,897,427.90 : x
  2. Step 2: Convert to fraction form
    12,290,466.30/18,435,699.45 = 5,897,427.90/x
  3. Step 3: Cross multiply
    12,290,466.30x = 18,435,699.45 × 5,897,427.90
  4. Step 4: Simplify right side
    12,290,466.30x = 108,723,208,292,444.66
  5. Step 5: Solve for x
    x = 108,723,208,292,444.66/12,290,466.30
  6. Step 6: Final answer
    x = 8,846,141.85

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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.