Home / 20,184,038.10-30,280,878.27-6,720,982.74

Finding the Fourth Proportional to 20,184,038.10, 30,280,878.27 and 6,720,982.74

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Solution

The fourth proportional to 20,184,038.10, 30,280,878.27 and 6,720,982.74 is: 10,083,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,038.10 : 30,280,878.27 = 6,720,982.74 : x
  2. Step 2: Convert to fraction form
    20,184,038.10/30,280,878.27 = 6,720,982.74/x
  3. Step 3: Cross multiply
    20,184,038.10x = 30,280,878.27 × 6,720,982.74
  4. Step 4: Simplify right side
    20,184,038.10x = 203,517,260,204,711.06
  5. Step 5: Solve for x
    x = 203,517,260,204,711.06/20,184,038.10
  6. Step 6: Final answer
    x = 10,083,079.47

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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.