Home / 28,571,373.80-39,429,015.28-16,184,039.20

Finding the Fourth Proportional to 28,571,373.80, 39,429,015.28 and 16,184,039.20

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Solution

The fourth proportional to 28,571,373.80, 39,429,015.28 and 16,184,039.20 is: 22,334,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,373.80 : 39,429,015.28 = 16,184,039.20 : x
  2. Step 2: Convert to fraction form
    28,571,373.80/39,429,015.28 = 16,184,039.20/x
  3. Step 3: Cross multiply
    28,571,373.80x = 39,429,015.28 × 16,184,039.20
  4. Step 4: Simplify right side
    28,571,373.80x = 638,120,728,908,919
  5. Step 5: Solve for x
    x = 638,120,728,908,919/28,571,373.80
  6. Step 6: Final answer
    x = 22,334,268.33

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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.