Home / 40,843,172.37-61,282,850.39-21,407,779.47

Finding the Fourth Proportional to 40,843,172.37, 61,282,850.39 and 21,407,779.47

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Solution

The fourth proportional to 40,843,172.37, 61,282,850.39 and 21,407,779.47 is: 32,121,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,843,172.37 : 61,282,850.39 = 21,407,779.47 : x
  2. Step 2: Convert to fraction form
    40,843,172.37/61,282,850.39 = 21,407,779.47/x
  3. Step 3: Cross multiply
    40,843,172.37x = 61,282,850.39 × 21,407,779.47
  4. Step 4: Simplify right side
    40,843,172.37x = 1,311,929,746,495,642.75
  5. Step 5: Solve for x
    x = 1,311,929,746,495,642.75/40,843,172.37
  6. Step 6: Final answer
    x = 32,121,151.97

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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.