Home / 31,326,439.54-46,991,924.06-13,112,316.22

Finding the Fourth Proportional to 31,326,439.54, 46,991,924.06 and 13,112,316.22

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Solution

The fourth proportional to 31,326,439.54, 46,991,924.06 and 13,112,316.22 is: 19,669,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,439.54 : 46,991,924.06 = 13,112,316.22 : x
  2. Step 2: Convert to fraction form
    31,326,439.54/46,991,924.06 = 13,112,316.22/x
  3. Step 3: Cross multiply
    31,326,439.54x = 46,991,924.06 × 13,112,316.22
  4. Step 4: Simplify right side
    31,326,439.54x = 616,172,968,060,946.38
  5. Step 5: Solve for x
    x = 616,172,968,060,946.38/31,326,439.54
  6. Step 6: Final answer
    x = 19,669,422.29

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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.