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Finding the Fourth Proportional to 32,679,968.70, 49,019,953.05 and 8,745,440.70

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Solution

The fourth proportional to 32,679,968.70, 49,019,953.05 and 8,745,440.70 is: 13,118,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679,968.70 : 49,019,953.05 = 8,745,440.70 : x
  2. Step 2: Convert to fraction form
    32,679,968.70/49,019,953.05 = 8,745,440.70/x
  3. Step 3: Cross multiply
    32,679,968.70x = 49,019,953.05 × 8,745,440.70
  4. Step 4: Simplify right side
    32,679,968.70x = 428,701,092,515,559.06
  5. Step 5: Solve for x
    x = 428,701,092,515,559.06/32,679,968.70
  6. Step 6: Final answer
    x = 13,118,161.05

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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.