Home / 18,640,291.08-25,710,350.96-12,442,212.80

Finding the Fourth Proportional to 18,640,291.08, 25,710,350.96 and 12,442,212.80

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Solution

The fourth proportional to 18,640,291.08, 25,710,350.96 and 12,442,212.80 is: 17,161,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,291.08 : 25,710,350.96 = 12,442,212.80 : x
  2. Step 2: Convert to fraction form
    18,640,291.08/25,710,350.96 = 12,442,212.80/x
  3. Step 3: Cross multiply
    18,640,291.08x = 25,710,350.96 × 12,442,212.80
  4. Step 4: Simplify right side
    18,640,291.08x = 319,893,657,807,004.31
  5. Step 5: Solve for x
    x = 319,893,657,807,004.31/18,640,291.08
  6. Step 6: Final answer
    x = 17,161,408.93

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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.