Home / 13,774,784.76-20,665,166.47-4,189,914.16

Finding the Fourth Proportional to 13,774,784.76, 20,665,166.47 and 4,189,914.16

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Solution

The fourth proportional to 13,774,784.76, 20,665,166.47 and 4,189,914.16 is: 6,285,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,784.76 : 20,665,166.47 = 4,189,914.16 : x
  2. Step 2: Convert to fraction form
    13,774,784.76/20,665,166.47 = 4,189,914.16/x
  3. Step 3: Cross multiply
    13,774,784.76x = 20,665,166.47 × 4,189,914.16
  4. Step 4: Simplify right side
    13,774,784.76x = 86,585,273,549,272.52
  5. Step 5: Solve for x
    x = 86,585,273,549,272.52/13,774,784.76
  6. Step 6: Final answer
    x = 6,285,780.51

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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.