Home / 18,139,803.54-25,032,954.48-9,879,898.20

Finding the Fourth Proportional to 18,139,803.54, 25,032,954.48 and 9,879,898.20

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Solution

The fourth proportional to 18,139,803.54, 25,032,954.48 and 9,879,898.20 is: 13,634,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,803.54 : 25,032,954.48 = 9,879,898.20 : x
  2. Step 2: Convert to fraction form
    18,139,803.54/25,032,954.48 = 9,879,898.20/x
  3. Step 3: Cross multiply
    18,139,803.54x = 25,032,954.48 × 9,879,898.20
  4. Step 4: Simplify right side
    18,139,803.54x = 247,323,041,907,633.91
  5. Step 5: Solve for x
    x = 247,323,041,907,633.91/18,139,803.54
  6. Step 6: Final answer
    x = 13,634,273.46

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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.