Home / 18,684,218.10-28,026,327.15-18,264,314.10

Finding the Fourth Proportional to 18,684,218.10, 28,026,327.15 and 18,264,314.10

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Solution

The fourth proportional to 18,684,218.10, 28,026,327.15 and 18,264,314.10 is: 27,396,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,218.10 : 28,026,327.15 = 18,264,314.10 : x
  2. Step 2: Convert to fraction form
    18,684,218.10/28,026,327.15 = 18,264,314.10/x
  3. Step 3: Cross multiply
    18,684,218.10x = 28,026,327.15 × 18,264,314.10
  4. Step 4: Simplify right side
    18,684,218.10x = 511,881,642,136,957.81
  5. Step 5: Solve for x
    x = 511,881,642,136,957.81/18,684,218.10
  6. Step 6: Final answer
    x = 27,396,471.15

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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.