Home / 13,740,436.80-20,593,029.60-7,675,156.80

Finding the Fourth Proportional to 13,740,436.80, 20,593,029.60 and 7,675,156.80

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Solution

The fourth proportional to 13,740,436.80, 20,593,029.60 and 7,675,156.80 is: 11,502,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,436.80 : 20,593,029.60 = 7,675,156.80 : x
  2. Step 2: Convert to fraction form
    13,740,436.80/20,593,029.60 = 7,675,156.80/x
  3. Step 3: Cross multiply
    13,740,436.80x = 20,593,029.60 × 7,675,156.80
  4. Step 4: Simplify right side
    13,740,436.80x = 158,054,731,167,041.28
  5. Step 5: Solve for x
    x = 158,054,731,167,041.28/13,740,436.80
  6. Step 6: Final answer
    x = 11,502,889.86

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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.