Home / 12,482,031.56-18,721,705.98-8,464,308.44

Finding the Fourth Proportional to 12,482,031.56, 18,721,705.98 and 8,464,308.44

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Solution

The fourth proportional to 12,482,031.56, 18,721,705.98 and 8,464,308.44 is: 12,695,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,031.56 : 18,721,705.98 = 8,464,308.44 : x
  2. Step 2: Convert to fraction form
    12,482,031.56/18,721,705.98 = 8,464,308.44/x
  3. Step 3: Cross multiply
    12,482,031.56x = 18,721,705.98 × 8,464,308.44
  4. Step 4: Simplify right side
    12,482,031.56x = 158,466,293,937,712.47
  5. Step 5: Solve for x
    x = 158,466,293,937,712.47/12,482,031.56
  6. Step 6: Final answer
    x = 12,695,553.06

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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.