Home / 13,424,911.20-20,140,282.80-4,905,234

Finding the Fourth Proportional to 13,424,911.20, 20,140,282.80 and 4,905,234

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Solution

The fourth proportional to 13,424,911.20, 20,140,282.80 and 4,905,234 is: 7,358,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,911.20 : 20,140,282.80 = 4,905,234 : x
  2. Step 2: Convert to fraction form
    13,424,911.20/20,140,282.80 = 4,905,234/x
  3. Step 3: Cross multiply
    13,424,911.20x = 20,140,282.80 × 4,905,234
  4. Step 4: Simplify right side
    13,424,911.20x = 98,792,799,960,175.20
  5. Step 5: Solve for x
    x = 98,792,799,960,175.20/13,424,911.20
  6. Step 6: Final answer
    x = 7,358,916.46

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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.