Home / 18,968,363.10-28,452,618.47-4,591,407.83

Finding the Fourth Proportional to 18,968,363.10, 28,452,618.47 and 4,591,407.83

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Solution

The fourth proportional to 18,968,363.10, 28,452,618.47 and 4,591,407.83 is: 6,887,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,363.10 : 28,452,618.47 = 4,591,407.83 : x
  2. Step 2: Convert to fraction form
    18,968,363.10/28,452,618.47 = 4,591,407.83/x
  3. Step 3: Cross multiply
    18,968,363.10x = 28,452,618.47 × 4,591,407.83
  4. Step 4: Simplify right side
    18,968,363.10x = 130,637,575,061,940.50
  5. Step 5: Solve for x
    x = 130,637,575,061,940.50/18,968,363.10
  6. Step 6: Final answer
    x = 6,887,129.60

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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.