Home / 7,638,317.40-10,540,667.75-4,200,558.43

Finding the Fourth Proportional to 7,638,317.40, 10,540,667.75 and 4,200,558.43

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Solution

The fourth proportional to 7,638,317.40, 10,540,667.75 and 4,200,558.43 is: 5,796,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,317.40 : 10,540,667.75 = 4,200,558.43 : x
  2. Step 2: Convert to fraction form
    7,638,317.40/10,540,667.75 = 4,200,558.43/x
  3. Step 3: Cross multiply
    7,638,317.40x = 10,540,667.75 × 4,200,558.43
  4. Step 4: Simplify right side
    7,638,317.40x = 44,276,690,727,737.17
  5. Step 5: Solve for x
    x = 44,276,690,727,737.17/7,638,317.40
  6. Step 6: Final answer
    x = 5,796,655.00

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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.