Home / 18,528,830.46-25,570,805.76-10,268,721

Finding the Fourth Proportional to 18,528,830.46, 25,570,805.76 and 10,268,721

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Solution

The fourth proportional to 18,528,830.46, 25,570,805.76 and 10,268,721 is: 14,171,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,830.46 : 25,570,805.76 = 10,268,721 : x
  2. Step 2: Convert to fraction form
    18,528,830.46/25,570,805.76 = 10,268,721/x
  3. Step 3: Cross multiply
    18,528,830.46x = 25,570,805.76 × 10,268,721
  4. Step 4: Simplify right side
    18,528,830.46x = 262,579,470,094,632.97
  5. Step 5: Solve for x
    x = 262,579,470,094,632.97/18,528,830.46
  6. Step 6: Final answer
    x = 14,171,400.11

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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.