Home / 31,326,442.54-46,991,928.56-13,112,319.22

Finding the Fourth Proportional to 31,326,442.54, 46,991,928.56 and 13,112,319.22

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Solution

The fourth proportional to 31,326,442.54, 46,991,928.56 and 13,112,319.22 is: 19,669,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,442.54 : 46,991,928.56 = 13,112,319.22 : x
  2. Step 2: Convert to fraction form
    31,326,442.54/46,991,928.56 = 13,112,319.22/x
  3. Step 3: Cross multiply
    31,326,442.54x = 46,991,928.56 × 13,112,319.22
  4. Step 4: Simplify right side
    31,326,442.54x = 616,173,168,042,155
  5. Step 5: Solve for x
    x = 616,173,168,042,155/31,326,442.54
  6. Step 6: Final answer
    x = 19,669,426.79

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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.