Home / 7,241,701.60-10,863,864.60-3,638,400.40

Finding the Fourth Proportional to 7,241,701.60, 10,863,864.60 and 3,638,400.40

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Solution

The fourth proportional to 7,241,701.60, 10,863,864.60 and 3,638,400.40 is: 5,458,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,701.60 : 10,863,864.60 = 3,638,400.40 : x
  2. Step 2: Convert to fraction form
    7,241,701.60/10,863,864.60 = 3,638,400.40/x
  3. Step 3: Cross multiply
    7,241,701.60x = 10,863,864.60 × 3,638,400.40
  4. Step 4: Simplify right side
    7,241,701.60x = 39,527,089,306,185.84
  5. Step 5: Solve for x
    x = 39,527,089,306,185.84/7,241,701.60
  6. Step 6: Final answer
    x = 5,458,259.88

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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.