Home / 15,084,030.32-20,815,883.12-8,208,561.60

Finding the Fourth Proportional to 15,084,030.32, 20,815,883.12 and 8,208,561.60

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Solution

The fourth proportional to 15,084,030.32, 20,815,883.12 and 8,208,561.60 is: 11,327,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,030.32 : 20,815,883.12 = 8,208,561.60 : x
  2. Step 2: Convert to fraction form
    15,084,030.32/20,815,883.12 = 8,208,561.60/x
  3. Step 3: Cross multiply
    15,084,030.32x = 20,815,883.12 × 8,208,561.60
  4. Step 4: Simplify right side
    15,084,030.32x = 170,868,458,848,920.19
  5. Step 5: Solve for x
    x = 170,868,458,848,920.19/15,084,030.32
  6. Step 6: Final answer
    x = 11,327,772.17

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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.