Home / 12,672,003.40-19,001,006.70-4,147,952.20

Finding the Fourth Proportional to 12,672,003.40, 19,001,006.70 and 4,147,952.20

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Solution

The fourth proportional to 12,672,003.40, 19,001,006.70 and 4,147,952.20 is: 6,219,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,003.40 : 19,001,006.70 = 4,147,952.20 : x
  2. Step 2: Convert to fraction form
    12,672,003.40/19,001,006.70 = 4,147,952.20/x
  3. Step 3: Cross multiply
    12,672,003.40x = 19,001,006.70 × 4,147,952.20
  4. Step 4: Simplify right side
    12,672,003.40x = 78,815,267,543,479.73
  5. Step 5: Solve for x
    x = 78,815,267,543,479.73/12,672,003.40
  6. Step 6: Final answer
    x = 6,219,637.50

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1.5x scale

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.