Home / 18,248,588.48-25,183,692.69-9,988,657.51

Finding the Fourth Proportional to 18,248,588.48, 25,183,692.69 and 9,988,657.51

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Solution

The fourth proportional to 18,248,588.48, 25,183,692.69 and 9,988,657.51 is: 13,784,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248,588.48 : 25,183,692.69 = 9,988,657.51 : x
  2. Step 2: Convert to fraction form
    18,248,588.48/25,183,692.69 = 9,988,657.51/x
  3. Step 3: Cross multiply
    18,248,588.48x = 25,183,692.69 × 9,988,657.51
  4. Step 4: Simplify right side
    18,248,588.48x = 251,551,281,117,500.62
  5. Step 5: Solve for x
    x = 251,551,281,117,500.62/18,248,588.48
  6. Step 6: Final answer
    x = 13,784,698.00

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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.