Home / 31,091,886.36-46,643,807.25-11,921,148.18

Finding the Fourth Proportional to 31,091,886.36, 46,643,807.25 and 11,921,148.18

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Solution

The fourth proportional to 31,091,886.36, 46,643,807.25 and 11,921,148.18 is: 17,884,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,886.36 : 46,643,807.25 = 11,921,148.18 : x
  2. Step 2: Convert to fraction form
    31,091,886.36/46,643,807.25 = 11,921,148.18/x
  3. Step 3: Cross multiply
    31,091,886.36x = 46,643,807.25 × 11,921,148.18
  4. Step 4: Simplify right side
    31,091,886.36x = 556,047,737,906,608.31
  5. Step 5: Solve for x
    x = 556,047,737,906,608.31/31,091,886.36
  6. Step 6: Final answer
    x = 17,884,014.22

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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.