Home / 18,335,878.50-25,304,299.65-10,187,116.50

Finding the Fourth Proportional to 18,335,878.50, 25,304,299.65 and 10,187,116.50

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Solution

The fourth proportional to 18,335,878.50, 25,304,299.65 and 10,187,116.50 is: 14,058,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335,878.50 : 25,304,299.65 = 10,187,116.50 : x
  2. Step 2: Convert to fraction form
    18,335,878.50/25,304,299.65 = 10,187,116.50/x
  3. Step 3: Cross multiply
    18,335,878.50x = 25,304,299.65 × 10,187,116.50
  4. Step 4: Simplify right side
    18,335,878.50x = 257,777,848,485,459.22
  5. Step 5: Solve for x
    x = 257,777,848,485,459.22/18,335,878.50
  6. Step 6: Final answer
    x = 14,058,658.19

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1.5x scale

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.