Home / 20,184,039.60-30,280,880.52-6,720,984.24

Finding the Fourth Proportional to 20,184,039.60, 30,280,880.52 and 6,720,984.24

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Solution

The fourth proportional to 20,184,039.60, 30,280,880.52 and 6,720,984.24 is: 10,083,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,039.60 : 30,280,880.52 = 6,720,984.24 : x
  2. Step 2: Convert to fraction form
    20,184,039.60/30,280,880.52 = 6,720,984.24/x
  3. Step 3: Cross multiply
    20,184,039.60x = 30,280,880.52 × 6,720,984.24
  4. Step 4: Simplify right side
    20,184,039.60x = 203,517,320,748,243
  5. Step 5: Solve for x
    x = 203,517,320,748,243/20,184,039.60
  6. Step 6: Final answer
    x = 10,083,081.72

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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.