Home / 7,724,809.02-11,587,213.56-4,119,653.70

Finding the Fourth Proportional to 7,724,809.02, 11,587,213.56 and 4,119,653.70

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Solution

The fourth proportional to 7,724,809.02, 11,587,213.56 and 4,119,653.70 is: 6,179,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,809.02 : 11,587,213.56 = 4,119,653.70 : x
  2. Step 2: Convert to fraction form
    7,724,809.02/11,587,213.56 = 4,119,653.70/x
  3. Step 3: Cross multiply
    7,724,809.02x = 11,587,213.56 × 4,119,653.70
  4. Step 4: Simplify right side
    7,724,809.02x = 47,735,307,215,144.18
  5. Step 5: Solve for x
    x = 47,735,307,215,144.18/7,724,809.02
  6. Step 6: Final answer
    x = 6,179,480.57

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Double scale
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Similar ratio
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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.