Home / 15,552,006.40-23,328,009.60-12,339,740.80

Finding the Fourth Proportional to 15,552,006.40, 23,328,009.60 and 12,339,740.80

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Solution

The fourth proportional to 15,552,006.40, 23,328,009.60 and 12,339,740.80 is: 18,509,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,006.40 : 23,328,009.60 = 12,339,740.80 : x
  2. Step 2: Convert to fraction form
    15,552,006.40/23,328,009.60 = 12,339,740.80/x
  3. Step 3: Cross multiply
    15,552,006.40x = 23,328,009.60 × 12,339,740.80
  4. Step 4: Simplify right side
    15,552,006.40x = 287,861,591,843,911.69
  5. Step 5: Solve for x
    x = 287,861,591,843,911.69/15,552,006.40
  6. Step 6: Final answer
    x = 18,509,611.20

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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.