Home / 18,719,276.44-28,075,363.62-9,125,005.72

Finding the Fourth Proportional to 18,719,276.44, 28,075,363.62 and 9,125,005.72

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Solution

The fourth proportional to 18,719,276.44, 28,075,363.62 and 9,125,005.72 is: 13,685,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,276.44 : 28,075,363.62 = 9,125,005.72 : x
  2. Step 2: Convert to fraction form
    18,719,276.44/28,075,363.62 = 9,125,005.72/x
  3. Step 3: Cross multiply
    18,719,276.44x = 28,075,363.62 × 9,125,005.72
  4. Step 4: Simplify right side
    18,719,276.44x = 256,187,853,623,579.94
  5. Step 5: Solve for x
    x = 256,187,853,623,579.94/18,719,276.44
  6. Step 6: Final answer
    x = 13,685,777.57

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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.