Home / 14,684,142.39-21,918,426.47-13,601,995.64

Finding the Fourth Proportional to 14,684,142.39, 21,918,426.47 and 13,601,995.64

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Solution

The fourth proportional to 14,684,142.39, 21,918,426.47 and 13,601,995.64 is: 20,303,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684,142.39 : 21,918,426.47 = 13,601,995.64 : x
  2. Step 2: Convert to fraction form
    14,684,142.39/21,918,426.47 = 13,601,995.64/x
  3. Step 3: Cross multiply
    14,684,142.39x = 21,918,426.47 × 13,601,995.64
  4. Step 4: Simplify right side
    14,684,142.39x = 298,134,341,280,600.56
  5. Step 5: Solve for x
    x = 298,134,341,280,600.56/14,684,142.39
  6. Step 6: Final answer
    x = 20,303,149.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.