Home / 31,051,050.15-42,850,742.07-17,112,907.89

Finding the Fourth Proportional to 31,051,050.15, 42,850,742.07 and 17,112,907.89

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Solution

The fourth proportional to 31,051,050.15, 42,850,742.07 and 17,112,907.89 is: 23,615,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051,050.15 : 42,850,742.07 = 17,112,907.89 : x
  2. Step 2: Convert to fraction form
    31,051,050.15/42,850,742.07 = 17,112,907.89/x
  3. Step 3: Cross multiply
    31,051,050.15x = 42,850,742.07 × 17,112,907.89
  4. Step 4: Simplify right side
    31,051,050.15x = 733,300,802,062,058
  5. Step 5: Solve for x
    x = 733,300,802,062,058/31,051,050.15
  6. Step 6: Final answer
    x = 23,615,974.29

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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.