Home / 12,672,002.90-19,001,005.95-4,147,951.70

Finding the Fourth Proportional to 12,672,002.90, 19,001,005.95 and 4,147,951.70

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Solution

The fourth proportional to 12,672,002.90, 19,001,005.95 and 4,147,951.70 is: 6,219,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,002.90 : 19,001,005.95 = 4,147,951.70 : x
  2. Step 2: Convert to fraction form
    12,672,002.90/19,001,005.95 = 4,147,951.70/x
  3. Step 3: Cross multiply
    12,672,002.90x = 19,001,005.95 × 4,147,951.70
  4. Step 4: Simplify right side
    12,672,002.90x = 78,815,254,932,012.61
  5. Step 5: Solve for x
    x = 78,815,254,932,012.61/12,672,002.90
  6. Step 6: Final answer
    x = 6,219,636.75

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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.