Home / 13,691,323-18,893,307.30-7,495,181.80

Finding the Fourth Proportional to 13,691,323, 18,893,307.30 and 7,495,181.80

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Solution

The fourth proportional to 13,691,323, 18,893,307.30 and 7,495,181.80 is: 10,342,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,323 : 18,893,307.30 = 7,495,181.80 : x
  2. Step 2: Convert to fraction form
    13,691,323/18,893,307.30 = 7,495,181.80/x
  3. Step 3: Cross multiply
    13,691,323x = 18,893,307.30 × 7,495,181.80
  4. Step 4: Simplify right side
    13,691,323x = 141,608,773,016,767.16
  5. Step 5: Solve for x
    x = 141,608,773,016,767.16/13,691,323
  6. Step 6: Final answer
    x = 10,342,957.58

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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.