Home / 30,344,851.70-45,517,277.55-21,097,778.30

Finding the Fourth Proportional to 30,344,851.70, 45,517,277.55 and 21,097,778.30

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Solution

The fourth proportional to 30,344,851.70, 45,517,277.55 and 21,097,778.30 is: 31,646,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,851.70 : 45,517,277.55 = 21,097,778.30 : x
  2. Step 2: Convert to fraction form
    30,344,851.70/45,517,277.55 = 21,097,778.30/x
  3. Step 3: Cross multiply
    30,344,851.70x = 45,517,277.55 × 21,097,778.30
  4. Step 4: Simplify right side
    30,344,851.70x = 960,313,430,569,467.12
  5. Step 5: Solve for x
    x = 960,313,430,569,467.12/30,344,851.70
  6. Step 6: Final answer
    x = 31,646,667.45

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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.