Home / 31,326,434.91-46,991,917.13-13,112,311.59

Finding the Fourth Proportional to 31,326,434.91, 46,991,917.13 and 13,112,311.59

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Solution

The fourth proportional to 31,326,434.91, 46,991,917.13 and 13,112,311.59 is: 19,669,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,434.91 : 46,991,917.13 = 13,112,311.59 : x
  2. Step 2: Convert to fraction form
    31,326,434.91/46,991,917.13 = 13,112,311.59/x
  3. Step 3: Cross multiply
    31,326,434.91x = 46,991,917.13 × 13,112,311.59
  4. Step 4: Simplify right side
    31,326,434.91x = 616,172,659,554,457
  5. Step 5: Solve for x
    x = 616,172,659,554,457/31,326,434.91
  6. Step 6: Final answer
    x = 19,669,415.35

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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.