Home / 31,091,970.81-46,643,934.11-11,921,232.81

Finding the Fourth Proportional to 31,091,970.81, 46,643,934.11 and 11,921,232.81

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Solution

The fourth proportional to 31,091,970.81, 46,643,934.11 and 11,921,232.81 is: 17,884,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,970.81 : 46,643,934.11 = 11,921,232.81 : x
  2. Step 2: Convert to fraction form
    31,091,970.81/46,643,934.11 = 11,921,232.81/x
  3. Step 3: Cross multiply
    31,091,970.81x = 46,643,934.11 × 11,921,232.81
  4. Step 4: Simplify right side
    31,091,970.81x = 556,053,197,640,004
  5. Step 5: Solve for x
    x = 556,053,197,640,004/31,091,970.81
  6. Step 6: Final answer
    x = 17,884,141.25

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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.