Home / 12,603,669.60-18,905,504.40-6,226,377.60

Finding the Fourth Proportional to 12,603,669.60, 18,905,504.40 and 6,226,377.60

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Solution

The fourth proportional to 12,603,669.60, 18,905,504.40 and 6,226,377.60 is: 9,339,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,669.60 : 18,905,504.40 = 6,226,377.60 : x
  2. Step 2: Convert to fraction form
    12,603,669.60/18,905,504.40 = 6,226,377.60/x
  3. Step 3: Cross multiply
    12,603,669.60x = 18,905,504.40 × 6,226,377.60
  4. Step 4: Simplify right side
    12,603,669.60x = 117,712,809,112,861.42
  5. Step 5: Solve for x
    x = 117,712,809,112,861.42/12,603,669.60
  6. Step 6: Final answer
    x = 9,339,566.40

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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.