Home / 12,495,368.83-17,243,481.50-6,988,730.55

Finding the Fourth Proportional to 12,495,368.83, 17,243,481.50 and 6,988,730.55

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Solution

The fourth proportional to 12,495,368.83, 17,243,481.50 and 6,988,730.55 is: 9,644,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,368.83 : 17,243,481.50 = 6,988,730.55 : x
  2. Step 2: Convert to fraction form
    12,495,368.83/17,243,481.50 = 6,988,730.55/x
  3. Step 3: Cross multiply
    12,495,368.83x = 17,243,481.50 × 6,988,730.55
  4. Step 4: Simplify right side
    12,495,368.83x = 120,510,045,947,409.83
  5. Step 5: Solve for x
    x = 120,510,045,947,409.83/12,495,368.83
  6. Step 6: Final answer
    x = 9,644,376.86

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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.