Home / 21,766,142.67-32,648,138.03-8,118,225.90

Finding the Fourth Proportional to 21,766,142.67, 32,648,138.03 and 8,118,225.90

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Solution

The fourth proportional to 21,766,142.67, 32,648,138.03 and 8,118,225.90 is: 12,176,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,142.67 : 32,648,138.03 = 8,118,225.90 : x
  2. Step 2: Convert to fraction form
    21,766,142.67/32,648,138.03 = 8,118,225.90/x
  3. Step 3: Cross multiply
    21,766,142.67x = 32,648,138.03 × 8,118,225.90
  4. Step 4: Simplify right side
    21,766,142.67x = 265,044,959,578,680.28
  5. Step 5: Solve for x
    x = 265,044,959,578,680.28/21,766,142.67
  6. Step 6: Final answer
    x = 12,176,937.53

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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.