Home / 20,344,807.80-30,517,211.70-7,562,667.60

Finding the Fourth Proportional to 20,344,807.80, 30,517,211.70 and 7,562,667.60

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Solution

The fourth proportional to 20,344,807.80, 30,517,211.70 and 7,562,667.60 is: 11,344,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344,807.80 : 30,517,211.70 = 7,562,667.60 : x
  2. Step 2: Convert to fraction form
    20,344,807.80/30,517,211.70 = 7,562,667.60/x
  3. Step 3: Cross multiply
    20,344,807.80x = 30,517,211.70 × 7,562,667.60
  4. Step 4: Simplify right side
    20,344,807.80x = 230,791,528,165,930.91
  5. Step 5: Solve for x
    x = 230,791,528,165,930.91/20,344,807.80
  6. Step 6: Final answer
    x = 11,344,001.40

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1.5x scale

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.