Home / 12,672,006.40-19,008,009.60-4,152,620.80

Finding the Fourth Proportional to 12,672,006.40, 19,008,009.60 and 4,152,620.80

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Solution

The fourth proportional to 12,672,006.40, 19,008,009.60 and 4,152,620.80 is: 6,228,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,006.40 : 19,008,009.60 = 4,152,620.80 : x
  2. Step 2: Convert to fraction form
    12,672,006.40/19,008,009.60 = 4,152,620.80/x
  3. Step 3: Cross multiply
    12,672,006.40x = 19,008,009.60 × 4,152,620.80
  4. Step 4: Simplify right side
    12,672,006.40x = 78,933,056,031,559.69
  5. Step 5: Solve for x
    x = 78,933,056,031,559.69/12,672,006.40
  6. Step 6: Final answer
    x = 6,228,931.20

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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.