Home / 31,326,443.54-46,991,930.06-13,112,320.22

Finding the Fourth Proportional to 31,326,443.54, 46,991,930.06 and 13,112,320.22

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Solution

The fourth proportional to 31,326,443.54, 46,991,930.06 and 13,112,320.22 is: 19,669,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,443.54 : 46,991,930.06 = 13,112,320.22 : x
  2. Step 2: Convert to fraction form
    31,326,443.54/46,991,930.06 = 13,112,320.22/x
  3. Step 3: Cross multiply
    31,326,443.54x = 46,991,930.06 × 13,112,320.22
  4. Step 4: Simplify right side
    31,326,443.54x = 616,173,234,702,563.88
  5. Step 5: Solve for x
    x = 616,173,234,702,563.88/31,326,443.54
  6. Step 6: Final answer
    x = 19,669,428.29

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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.