Home / 31,326,438.29-46,991,922.19-13,112,314.97

Finding the Fourth Proportional to 31,326,438.29, 46,991,922.19 and 13,112,314.97

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Solution

The fourth proportional to 31,326,438.29, 46,991,922.19 and 13,112,314.97 is: 19,669,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,438.29 : 46,991,922.19 = 13,112,314.97 : x
  2. Step 2: Convert to fraction form
    31,326,438.29/46,991,922.19 = 13,112,314.97/x
  3. Step 3: Cross multiply
    31,326,438.29x = 46,991,922.19 × 13,112,314.97
  4. Step 4: Simplify right side
    31,326,438.29x = 616,172,884,533,271.75
  5. Step 5: Solve for x
    x = 616,172,884,533,271.75/31,326,438.29
  6. Step 6: Final answer
    x = 19,669,420.41

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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.