Home / 20,699,088.40-31,048,632.60-9,361,680.40

Finding the Fourth Proportional to 20,699,088.40, 31,048,632.60 and 9,361,680.40

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Solution

The fourth proportional to 20,699,088.40, 31,048,632.60 and 9,361,680.40 is: 14,042,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699,088.40 : 31,048,632.60 = 9,361,680.40 : x
  2. Step 2: Convert to fraction form
    20,699,088.40/31,048,632.60 = 9,361,680.40/x
  3. Step 3: Cross multiply
    20,699,088.40x = 31,048,632.60 × 9,361,680.40
  4. Step 4: Simplify right side
    20,699,088.40x = 290,667,375,258,221.06
  5. Step 5: Solve for x
    x = 290,667,375,258,221.06/20,699,088.40
  6. Step 6: Final answer
    x = 14,042,520.60

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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.