Home / 20,104,172.48-30,135,263.51-9,854,840.72

Finding the Fourth Proportional to 20,104,172.48, 30,135,263.51 and 9,854,840.72

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Solution

The fourth proportional to 20,104,172.48, 30,135,263.51 and 9,854,840.72 is: 14,771,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,172.48 : 30,135,263.51 = 9,854,840.72 : x
  2. Step 2: Convert to fraction form
    20,104,172.48/30,135,263.51 = 9,854,840.72/x
  3. Step 3: Cross multiply
    20,104,172.48x = 30,135,263.51 × 9,854,840.72
  4. Step 4: Simplify right side
    20,104,172.48x = 296,978,222,046,253.38
  5. Step 5: Solve for x
    x = 296,978,222,046,253.38/20,104,172.48
  6. Step 6: Final answer
    x = 14,771,969.47

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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.