Home / 28,984,531.20-43,476,768.72-7,419,098.22

Finding the Fourth Proportional to 28,984,531.20, 43,476,768.72 and 7,419,098.22

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Solution

The fourth proportional to 28,984,531.20, 43,476,768.72 and 7,419,098.22 is: 11,128,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984,531.20 : 43,476,768.72 = 7,419,098.22 : x
  2. Step 2: Convert to fraction form
    28,984,531.20/43,476,768.72 = 7,419,098.22/x
  3. Step 3: Cross multiply
    28,984,531.20x = 43,476,768.72 × 7,419,098.22
  4. Step 4: Simplify right side
    28,984,531.20x = 322,558,417,421,903.69
  5. Step 5: Solve for x
    x = 322,558,417,421,903.69/28,984,531.20
  6. Step 6: Final answer
    x = 11,128,640.14

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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.