Home / 7,241,727.60-10,863,903.60-3,638,426.40

Finding the Fourth Proportional to 7,241,727.60, 10,863,903.60 and 3,638,426.40

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Solution

The fourth proportional to 7,241,727.60, 10,863,903.60 and 3,638,426.40 is: 5,458,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,727.60 : 10,863,903.60 = 3,638,426.40 : x
  2. Step 2: Convert to fraction form
    7,241,727.60/10,863,903.60 = 3,638,426.40/x
  3. Step 3: Cross multiply
    7,241,727.60x = 10,863,903.60 × 3,638,426.40
  4. Step 4: Simplify right side
    7,241,727.60x = 39,527,513,665,295.04
  5. Step 5: Solve for x
    x = 39,527,513,665,295.04/7,241,727.60
  6. Step 6: Final answer
    x = 5,458,298.88

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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.