Home / 13,586,583.06-18,749,632.95-7,391,664.72

Finding the Fourth Proportional to 13,586,583.06, 18,749,632.95 and 7,391,664.72

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Solution

The fourth proportional to 13,586,583.06, 18,749,632.95 and 7,391,664.72 is: 10,200,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,583.06 : 18,749,632.95 = 7,391,664.72 : x
  2. Step 2: Convert to fraction form
    13,586,583.06/18,749,632.95 = 7,391,664.72/x
  3. Step 3: Cross multiply
    13,586,583.06x = 18,749,632.95 × 7,391,664.72
  4. Step 4: Simplify right side
    13,586,583.06x = 138,591,000,389,464.52
  5. Step 5: Solve for x
    x = 138,591,000,389,464.52/13,586,583.06
  6. Step 6: Final answer
    x = 10,200,578.01

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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.