Home / 18,173,711.70-27,260,567.55-13,071,878.10

Finding the Fourth Proportional to 18,173,711.70, 27,260,567.55 and 13,071,878.10

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Solution

The fourth proportional to 18,173,711.70, 27,260,567.55 and 13,071,878.10 is: 19,607,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711.70 : 27,260,567.55 = 13,071,878.10 : x
  2. Step 2: Convert to fraction form
    18,173,711.70/27,260,567.55 = 13,071,878.10/x
  3. Step 3: Cross multiply
    18,173,711.70x = 27,260,567.55 × 13,071,878.10
  4. Step 4: Simplify right side
    18,173,711.70x = 356,346,815,950,415.62
  5. Step 5: Solve for x
    x = 356,346,815,950,415.62/18,173,711.70
  6. Step 6: Final answer
    x = 19,607,817.15

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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.