Home / 18,638,867.16-27,945,965.88-8,924,913

Finding the Fourth Proportional to 18,638,867.16, 27,945,965.88 and 8,924,913

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Solution

The fourth proportional to 18,638,867.16, 27,945,965.88 and 8,924,913 is: 13,381,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,867.16 : 27,945,965.88 = 8,924,913 : x
  2. Step 2: Convert to fraction form
    18,638,867.16/27,945,965.88 = 8,924,913/x
  3. Step 3: Cross multiply
    18,638,867.16x = 27,945,965.88 × 8,924,913
  4. Step 4: Simplify right side
    18,638,867.16x = 249,415,314,179,968.44
  5. Step 5: Solve for x
    x = 249,415,314,179,968.44/18,638,867.16
  6. Step 6: Final answer
    x = 13,381,463.16

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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.