Home / 19,571,230.40-29,360,344.80-8,212,827.20

Finding the Fourth Proportional to 19,571,230.40, 29,360,344.80 and 8,212,827.20

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Solution

The fourth proportional to 19,571,230.40, 29,360,344.80 and 8,212,827.20 is: 12,320,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,230.40 : 29,360,344.80 = 8,212,827.20 : x
  2. Step 2: Convert to fraction form
    19,571,230.40/29,360,344.80 = 8,212,827.20/x
  3. Step 3: Cross multiply
    19,571,230.40x = 29,360,344.80 × 8,212,827.20
  4. Step 4: Simplify right side
    19,571,230.40x = 241,131,438,374,818.56
  5. Step 5: Solve for x
    x = 241,131,438,374,818.56/19,571,230.40
  6. Step 6: Final answer
    x = 12,320,709.20

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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.