Home / 42,018,940.36-57,986,137.74-22,703,356.36

Finding the Fourth Proportional to 42,018,940.36, 57,986,137.74 and 22,703,356.36

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Solution

The fourth proportional to 42,018,940.36, 57,986,137.74 and 22,703,356.36 is: 31,330,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018,940.36 : 57,986,137.74 = 22,703,356.36 : x
  2. Step 2: Convert to fraction form
    42,018,940.36/57,986,137.74 = 22,703,356.36/x
  3. Step 3: Cross multiply
    42,018,940.36x = 57,986,137.74 × 22,703,356.36
  4. Step 4: Simplify right side
    42,018,940.36x = 1,316,479,949,051,265
  5. Step 5: Solve for x
    x = 1,316,479,949,051,265/42,018,940.36
  6. Step 6: Final answer
    x = 31,330,631.80

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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.