Home / 28,678,430.30-43,037,512.52-11,404,860.95

Finding the Fourth Proportional to 28,678,430.30, 43,037,512.52 and 11,404,860.95

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Solution

The fourth proportional to 28,678,430.30, 43,037,512.52 and 11,404,860.95 is: 17,115,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,430.30 : 43,037,512.52 = 11,404,860.95 : x
  2. Step 2: Convert to fraction form
    28,678,430.30/43,037,512.52 = 11,404,860.95/x
  3. Step 3: Cross multiply
    28,678,430.30x = 43,037,512.52 × 11,404,860.95
  4. Step 4: Simplify right side
    28,678,430.30x = 490,836,845,975,053.62
  5. Step 5: Solve for x
    x = 490,836,845,975,053.62/28,678,430.30
  6. Step 6: Final answer
    x = 17,115,192.18

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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.