Home / 12,083,743.80-18,125,615.70-11,495,878.20

Finding the Fourth Proportional to 12,083,743.80, 18,125,615.70 and 11,495,878.20

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Solution

The fourth proportional to 12,083,743.80, 18,125,615.70 and 11,495,878.20 is: 17,243,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,743.80 : 18,125,615.70 = 11,495,878.20 : x
  2. Step 2: Convert to fraction form
    12,083,743.80/18,125,615.70 = 11,495,878.20/x
  3. Step 3: Cross multiply
    12,083,743.80x = 18,125,615.70 × 11,495,878.20
  4. Step 4: Simplify right side
    12,083,743.80x = 208,369,870,387,207.72
  5. Step 5: Solve for x
    x = 208,369,870,387,207.72/12,083,743.80
  6. Step 6: Final answer
    x = 17,243,817.30

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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.