Home / 18,155,621.40-25,054,595.53-9,895,683.25

Finding the Fourth Proportional to 18,155,621.40, 25,054,595.53 and 9,895,683.25

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Solution

The fourth proportional to 18,155,621.40, 25,054,595.53 and 9,895,683.25 is: 13,655,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,621.40 : 25,054,595.53 = 9,895,683.25 : x
  2. Step 2: Convert to fraction form
    18,155,621.40/25,054,595.53 = 9,895,683.25/x
  3. Step 3: Cross multiply
    18,155,621.40x = 25,054,595.53 × 9,895,683.25
  4. Step 4: Simplify right side
    18,155,621.40x = 247,932,341,321,745.88
  5. Step 5: Solve for x
    x = 247,932,341,321,745.88/18,155,621.40
  6. Step 6: Final answer
    x = 13,655,954.59

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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.