Home / 18,917,170.94-26,078,374.13-13,475,215.10

Finding the Fourth Proportional to 18,917,170.94, 26,078,374.13 and 13,475,215.10

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Solution

The fourth proportional to 18,917,170.94, 26,078,374.13 and 13,475,215.10 is: 18,576,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,170.94 : 26,078,374.13 = 13,475,215.10 : x
  2. Step 2: Convert to fraction form
    18,917,170.94/26,078,374.13 = 13,475,215.10/x
  3. Step 3: Cross multiply
    18,917,170.94x = 26,078,374.13 × 13,475,215.10
  4. Step 4: Simplify right side
    18,917,170.94x = 351,411,700,958,909.31
  5. Step 5: Solve for x
    x = 351,411,700,958,909.31/18,917,170.94
  6. Step 6: Final answer
    x = 18,576,334.80

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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.