Home / 13,503,834.40-18,635,340.74-7,308,962.29

Finding the Fourth Proportional to 13,503,834.40, 18,635,340.74 and 7,308,962.29

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Solution

The fourth proportional to 13,503,834.40, 18,635,340.74 and 7,308,962.29 is: 10,086,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,834.40 : 18,635,340.74 = 7,308,962.29 : x
  2. Step 2: Convert to fraction form
    13,503,834.40/18,635,340.74 = 7,308,962.29/x
  3. Step 3: Cross multiply
    13,503,834.40x = 18,635,340.74 × 7,308,962.29
  4. Step 4: Simplify right side
    13,503,834.40x = 136,205,002,636,783.98
  5. Step 5: Solve for x
    x = 136,205,002,636,783.98/13,503,834.40
  6. Step 6: Final answer
    x = 10,086,394.62

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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.