Home / 18,807,713.60-28,222,629.60-6,838,894.40

Finding the Fourth Proportional to 18,807,713.60, 28,222,629.60 and 6,838,894.40

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Solution

The fourth proportional to 18,807,713.60, 28,222,629.60 and 6,838,894.40 is: 10,262,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807,713.60 : 28,222,629.60 = 6,838,894.40 : x
  2. Step 2: Convert to fraction form
    18,807,713.60/28,222,629.60 = 6,838,894.40/x
  3. Step 3: Cross multiply
    18,807,713.60x = 28,222,629.60 × 6,838,894.40
  4. Step 4: Simplify right side
    18,807,713.60x = 193,011,583,524,714.25
  5. Step 5: Solve for x
    x = 193,011,583,524,714.25/18,807,713.60
  6. Step 6: Final answer
    x = 10,262,362.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.