Home / 13,094,689.89-18,071,580.30-7,938,268.77

Finding the Fourth Proportional to 13,094,689.89, 18,071,580.30 and 7,938,268.77

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Solution

The fourth proportional to 13,094,689.89, 18,071,580.30 and 7,938,268.77 is: 10,955,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,689.89 : 18,071,580.30 = 7,938,268.77 : x
  2. Step 2: Convert to fraction form
    13,094,689.89/18,071,580.30 = 7,938,268.77/x
  3. Step 3: Cross multiply
    13,094,689.89x = 18,071,580.30 × 7,938,268.77
  4. Step 4: Simplify right side
    13,094,689.89x = 143,457,061,520,037.22
  5. Step 5: Solve for x
    x = 143,457,061,520,037.22/13,094,689.89
  6. Step 6: Final answer
    x = 10,955,361.50

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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.