Home / 20,803,570.80-31,144,530.60-14,831,602.80

Finding the Fourth Proportional to 20,803,570.80, 31,144,530.60 and 14,831,602.80

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Solution

The fourth proportional to 20,803,570.80, 31,144,530.60 and 14,831,602.80 is: 22,204,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,570.80 : 31,144,530.60 = 14,831,602.80 : x
  2. Step 2: Convert to fraction form
    20,803,570.80/31,144,530.60 = 14,831,602.80/x
  3. Step 3: Cross multiply
    20,803,570.80x = 31,144,530.60 × 14,831,602.80
  4. Step 4: Simplify right side
    20,803,570.80x = 461,923,307,251,645.75
  5. Step 5: Solve for x
    x = 461,923,307,251,645.75/20,803,570.80
  6. Step 6: Final answer
    x = 22,204,039.47

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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.