Home / 18,857,415.40-28,267,460.70-9,264,941.80

Finding the Fourth Proportional to 18,857,415.40, 28,267,460.70 and 9,264,941.80

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Solution

The fourth proportional to 18,857,415.40, 28,267,460.70 and 9,264,941.80 is: 13,888,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857,415.40 : 28,267,460.70 = 9,264,941.80 : x
  2. Step 2: Convert to fraction form
    18,857,415.40/28,267,460.70 = 9,264,941.80/x
  3. Step 3: Cross multiply
    18,857,415.40x = 28,267,460.70 × 9,264,941.80
  4. Step 4: Simplify right side
    18,857,415.40x = 261,896,378,219,287.28
  5. Step 5: Solve for x
    x = 261,896,378,219,287.28/18,857,415.40
  6. Step 6: Final answer
    x = 13,888,243.57

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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.