Home / 12,291,808.10-18,437,712.15-6,552,245.30

Finding the Fourth Proportional to 12,291,808.10, 18,437,712.15 and 6,552,245.30

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Solution

The fourth proportional to 12,291,808.10, 18,437,712.15 and 6,552,245.30 is: 9,828,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,808.10 : 18,437,712.15 = 6,552,245.30 : x
  2. Step 2: Convert to fraction form
    12,291,808.10/18,437,712.15 = 6,552,245.30/x
  3. Step 3: Cross multiply
    12,291,808.10x = 18,437,712.15 × 6,552,245.30
  4. Step 4: Simplify right side
    12,291,808.10x = 120,808,412,777,590.38
  5. Step 5: Solve for x
    x = 120,808,412,777,590.38/12,291,808.10
  6. Step 6: Final answer
    x = 9,828,367.95

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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.