Home / 18,306,268.82-25,260,981.36-10,862,648.28

Finding the Fourth Proportional to 18,306,268.82, 25,260,981.36 and 10,862,648.28

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Solution

The fourth proportional to 18,306,268.82, 25,260,981.36 and 10,862,648.28 is: 14,989,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,268.82 : 25,260,981.36 = 10,862,648.28 : x
  2. Step 2: Convert to fraction form
    18,306,268.82/25,260,981.36 = 10,862,648.28/x
  3. Step 3: Cross multiply
    18,306,268.82x = 25,260,981.36 × 10,862,648.28
  4. Step 4: Simplify right side
    18,306,268.82x = 274,401,155,721,316.03
  5. Step 5: Solve for x
    x = 274,401,155,721,316.03/18,306,268.82
  6. Step 6: Final answer
    x = 14,989,463.91

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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.