Home / 31,109,659.85-46,666,731.80-11,940,416.91

Finding the Fourth Proportional to 31,109,659.85, 46,666,731.80 and 11,940,416.91

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Solution

The fourth proportional to 31,109,659.85, 46,666,731.80 and 11,940,416.91 is: 17,911,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,659.85 : 46,666,731.80 = 11,940,416.91 : x
  2. Step 2: Convert to fraction form
    31,109,659.85/46,666,731.80 = 11,940,416.91/x
  3. Step 3: Cross multiply
    31,109,659.85x = 46,666,731.80 × 11,940,416.91
  4. Step 4: Simplify right side
    31,109,659.85x = 557,220,233,519,154.69
  5. Step 5: Solve for x
    x = 557,220,233,519,154.69/31,109,659.85
  6. Step 6: Final answer
    x = 17,911,485.89

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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.