Home / 8,209,190.72-11,328,698.56-4,587,518.72

Finding the Fourth Proportional to 8,209,190.72, 11,328,698.56 and 4,587,518.72

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Solution

The fourth proportional to 8,209,190.72, 11,328,698.56 and 4,587,518.72 is: 6,330,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,190.72 : 11,328,698.56 = 4,587,518.72 : x
  2. Step 2: Convert to fraction form
    8,209,190.72/11,328,698.56 = 4,587,518.72/x
  3. Step 3: Cross multiply
    8,209,190.72x = 11,328,698.56 × 4,587,518.72
  4. Step 4: Simplify right side
    8,209,190.72x = 51,970,616,717,237.04
  5. Step 5: Solve for x
    x = 51,970,616,717,237.04/8,209,190.72
  6. Step 6: Final answer
    x = 6,330,784.42

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1.5x scale

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.