Home / 21,446,128.40-32,173,858.20-7,066,749.20

Finding the Fourth Proportional to 21,446,128.40, 32,173,858.20 and 7,066,749.20

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Solution

The fourth proportional to 21,446,128.40, 32,173,858.20 and 7,066,749.20 is: 10,601,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446,128.40 : 32,173,858.20 = 7,066,749.20 : x
  2. Step 2: Convert to fraction form
    21,446,128.40/32,173,858.20 = 7,066,749.20/x
  3. Step 3: Cross multiply
    21,446,128.40x = 32,173,858.20 × 7,066,749.20
  4. Step 4: Simplify right side
    21,446,128.40x = 227,364,586,695,763.44
  5. Step 5: Solve for x
    x = 227,364,586,695,763.44/21,446,128.40
  6. Step 6: Final answer
    x = 10,601,661.17

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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.