Home / 29,259,969.12-40,398,482.88-18,263,466.72

Finding the Fourth Proportional to 29,259,969.12, 40,398,482.88 and 18,263,466.72

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Solution

The fourth proportional to 29,259,969.12, 40,398,482.88 and 18,263,466.72 is: 25,215,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259,969.12 : 40,398,482.88 = 18,263,466.72 : x
  2. Step 2: Convert to fraction form
    29,259,969.12/40,398,482.88 = 18,263,466.72/x
  3. Step 3: Cross multiply
    29,259,969.12x = 40,398,482.88 × 18,263,466.72
  4. Step 4: Simplify right side
    29,259,969.12x = 737,816,347,617,369.75
  5. Step 5: Solve for x
    x = 737,816,347,617,369.75/29,259,969.12
  6. Step 6: Final answer
    x = 25,215,896.32

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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.