Home / 12,745,722.82-19,118,566.14-5,918,562.76

Finding the Fourth Proportional to 12,745,722.82, 19,118,566.14 and 5,918,562.76

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Solution

The fourth proportional to 12,745,722.82, 19,118,566.14 and 5,918,562.76 is: 8,877,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,722.82 : 19,118,566.14 = 5,918,562.76 : x
  2. Step 2: Convert to fraction form
    12,745,722.82/19,118,566.14 = 5,918,562.76/x
  3. Step 3: Cross multiply
    12,745,722.82x = 19,118,566.14 × 5,918,562.76
  4. Step 4: Simplify right side
    12,745,722.82x = 113,154,433,580,800.95
  5. Step 5: Solve for x
    x = 113,154,433,580,800.95/12,745,722.82
  6. Step 6: Final answer
    x = 8,877,835.74

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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.