Home / 12,144,531.42-18,174,544.29-7,531,361.10

Finding the Fourth Proportional to 12,144,531.42, 18,174,544.29 and 7,531,361.10

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Solution

The fourth proportional to 12,144,531.42, 18,174,544.29 and 7,531,361.10 is: 11,270,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,531.42 : 18,174,544.29 = 7,531,361.10 : x
  2. Step 2: Convert to fraction form
    12,144,531.42/18,174,544.29 = 7,531,361.10/x
  3. Step 3: Cross multiply
    12,144,531.42x = 18,174,544.29 × 7,531,361.10
  4. Step 4: Simplify right side
    12,144,531.42x = 136,879,055,875,933.11
  5. Step 5: Solve for x
    x = 136,879,055,875,933.11/12,144,531.42
  6. Step 6: Final answer
    x = 11,270,838.80

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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.