Home / 18,438,866.55-25,444,968.87-10,178,751.53

Finding the Fourth Proportional to 18,438,866.55, 25,444,968.87 and 10,178,751.53

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Solution

The fourth proportional to 18,438,866.55, 25,444,968.87 and 10,178,751.53 is: 14,046,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,866.55 : 25,444,968.87 = 10,178,751.53 : x
  2. Step 2: Convert to fraction form
    18,438,866.55/25,444,968.87 = 10,178,751.53/x
  3. Step 3: Cross multiply
    18,438,866.55x = 25,444,968.87 × 10,178,751.53
  4. Step 4: Simplify right side
    18,438,866.55x = 258,998,015,689,090.03
  5. Step 5: Solve for x
    x = 258,998,015,689,090.03/18,438,866.55
  6. Step 6: Final answer
    x = 14,046,308.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.