Home / 7,222,618.64-9,967,176.99-3,914,899.53

Finding the Fourth Proportional to 7,222,618.64, 9,967,176.99 and 3,914,899.53

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Solution

The fourth proportional to 7,222,618.64, 9,967,176.99 and 3,914,899.53 is: 5,402,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,618.64 : 9,967,176.99 = 3,914,899.53 : x
  2. Step 2: Convert to fraction form
    7,222,618.64/9,967,176.99 = 3,914,899.53/x
  3. Step 3: Cross multiply
    7,222,618.64x = 9,967,176.99 × 3,914,899.53
  4. Step 4: Simplify right side
    7,222,618.64x = 39,020,496,513,577.81
  5. Step 5: Solve for x
    x = 39,020,496,513,577.81/7,222,618.64
  6. Step 6: Final answer
    x = 5,402,541.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.