Home / 12,872,467.50-19,308,402.09-6,481,003.74

Finding the Fourth Proportional to 12,872,467.50, 19,308,402.09 and 6,481,003.74

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Solution

The fourth proportional to 12,872,467.50, 19,308,402.09 and 6,481,003.74 is: 9,721,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,467.50 : 19,308,402.09 = 6,481,003.74 : x
  2. Step 2: Convert to fraction form
    12,872,467.50/19,308,402.09 = 6,481,003.74/x
  3. Step 3: Cross multiply
    12,872,467.50x = 19,308,402.09 × 6,481,003.74
  4. Step 4: Simplify right side
    12,872,467.50x = 125,137,826,158,713.81
  5. Step 5: Solve for x
    x = 125,137,826,158,713.81/12,872,467.50
  6. Step 6: Final answer
    x = 9,721,354.99

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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.