Home / 7,771,701.20-11,648,998.20-2,720,411.60

Finding the Fourth Proportional to 7,771,701.20, 11,648,998.20 and 2,720,411.60

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Solution

The fourth proportional to 7,771,701.20, 11,648,998.20 and 2,720,411.60 is: 4,077,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,701.20 : 11,648,998.20 = 2,720,411.60 : x
  2. Step 2: Convert to fraction form
    7,771,701.20/11,648,998.20 = 2,720,411.60/x
  3. Step 3: Cross multiply
    7,771,701.20x = 11,648,998.20 × 2,720,411.60
  4. Step 4: Simplify right side
    7,771,701.20x = 31,690,069,831,659.12
  5. Step 5: Solve for x
    x = 31,690,069,831,659.12/7,771,701.20
  6. Step 6: Final answer
    x = 4,077,623.29

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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.