Home / 20,226,959.06-27,920,793.93-13,258,085.54

Finding the Fourth Proportional to 20,226,959.06, 27,920,793.93 and 13,258,085.54

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Solution

The fourth proportional to 20,226,959.06, 27,920,793.93 and 13,258,085.54 is: 18,301,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,959.06 : 27,920,793.93 = 13,258,085.54 : x
  2. Step 2: Convert to fraction form
    20,226,959.06/27,920,793.93 = 13,258,085.54/x
  3. Step 3: Cross multiply
    20,226,959.06x = 27,920,793.93 × 13,258,085.54
  4. Step 4: Simplify right side
    20,226,959.06x = 370,176,274,268,652.75
  5. Step 5: Solve for x
    x = 370,176,274,268,652.75/20,226,959.06
  6. Step 6: Final answer
    x = 18,301,133.31

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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.