Home / 20,726,063.80-31,089,095.70-15,085,871.80

Finding the Fourth Proportional to 20,726,063.80, 31,089,095.70 and 15,085,871.80

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Solution

The fourth proportional to 20,726,063.80, 31,089,095.70 and 15,085,871.80 is: 22,628,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,063.80 : 31,089,095.70 = 15,085,871.80 : x
  2. Step 2: Convert to fraction form
    20,726,063.80/31,089,095.70 = 15,085,871.80/x
  3. Step 3: Cross multiply
    20,726,063.80x = 31,089,095.70 × 15,085,871.80
  4. Step 4: Simplify right side
    20,726,063.80x = 469,006,112,108,131.25
  5. Step 5: Solve for x
    x = 469,006,112,108,131.25/20,726,063.80
  6. Step 6: Final answer
    x = 22,628,807.70

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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.