Home / 18,480,255.30-27,720,382.95-5,018,751.30

Finding the Fourth Proportional to 18,480,255.30, 27,720,382.95 and 5,018,751.30

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Solution

The fourth proportional to 18,480,255.30, 27,720,382.95 and 5,018,751.30 is: 7,528,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,255.30 : 27,720,382.95 = 5,018,751.30 : x
  2. Step 2: Convert to fraction form
    18,480,255.30/27,720,382.95 = 5,018,751.30/x
  3. Step 3: Cross multiply
    18,480,255.30x = 27,720,382.95 × 5,018,751.30
  4. Step 4: Simplify right side
    18,480,255.30x = 139,121,707,966,810.33
  5. Step 5: Solve for x
    x = 139,121,707,966,810.33/18,480,255.30
  6. Step 6: Final answer
    x = 7,528,126.95

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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.