Home / 28,988,821.02-43,495,150.89-12,806,231.58

Finding the Fourth Proportional to 28,988,821.02, 43,495,150.89 and 12,806,231.58

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Solution

The fourth proportional to 28,988,821.02, 43,495,150.89 and 12,806,231.58 is: 19,214,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,821.02 : 43,495,150.89 = 12,806,231.58 : x
  2. Step 2: Convert to fraction form
    28,988,821.02/43,495,150.89 = 12,806,231.58/x
  3. Step 3: Cross multiply
    28,988,821.02x = 43,495,150.89 × 12,806,231.58
  4. Step 4: Simplify right side
    28,988,821.02x = 557,008,974,904,383.12
  5. Step 5: Solve for x
    x = 557,008,974,904,383.12/28,988,821.02
  6. Step 6: Final answer
    x = 19,214,612.92

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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.