Home / 12,621,191.16-17,417,243.05-6,819,972.73

Finding the Fourth Proportional to 12,621,191.16, 17,417,243.05 and 6,819,972.73

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Solution

The fourth proportional to 12,621,191.16, 17,417,243.05 and 6,819,972.73 is: 9,411,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,191.16 : 17,417,243.05 = 6,819,972.73 : x
  2. Step 2: Convert to fraction form
    12,621,191.16/17,417,243.05 = 6,819,972.73/x
  3. Step 3: Cross multiply
    12,621,191.16x = 17,417,243.05 × 6,819,972.73
  4. Step 4: Simplify right side
    12,621,191.16x = 118,785,122,632,782.05
  5. Step 5: Solve for x
    x = 118,785,122,632,782.05/12,621,191.16
  6. Step 6: Final answer
    x = 9,411,561.96

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Double scale
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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.