Home / 31,091,995.94-46,643,971.70-11,921,257.96

Finding the Fourth Proportional to 31,091,995.94, 46,643,971.70 and 11,921,257.96

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Solution

The fourth proportional to 31,091,995.94, 46,643,971.70 and 11,921,257.96 is: 17,884,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,995.94 : 46,643,971.70 = 11,921,257.96 : x
  2. Step 2: Convert to fraction form
    31,091,995.94/46,643,971.70 = 11,921,257.96/x
  3. Step 3: Cross multiply
    31,091,995.94x = 46,643,971.70 × 11,921,257.96
  4. Step 4: Simplify right side
    31,091,995.94x = 556,054,818,827,832.94
  5. Step 5: Solve for x
    x = 556,054,818,827,832.94/31,091,995.94
  6. Step 6: Final answer
    x = 17,884,178.94

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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.