Home / 20,159,368.95-30,230,645.58-6,322,762.79

Finding the Fourth Proportional to 20,159,368.95, 30,230,645.58 and 6,322,762.79

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Solution

The fourth proportional to 20,159,368.95, 30,230,645.58 and 6,322,762.79 is: 9,481,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,368.95 : 30,230,645.58 = 6,322,762.79 : x
  2. Step 2: Convert to fraction form
    20,159,368.95/30,230,645.58 = 6,322,762.79/x
  3. Step 3: Cross multiply
    20,159,368.95x = 30,230,645.58 × 6,322,762.79
  4. Step 4: Simplify right side
    20,159,368.95x = 191,141,200,990,901.97
  5. Step 5: Solve for x
    x = 191,141,200,990,901.97/20,159,368.95
  6. Step 6: Final answer
    x = 9,481,507.16

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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.