Home / 31,104,186.20-46,656,279.30-28,021,828.40

Finding the Fourth Proportional to 31,104,186.20, 46,656,279.30 and 28,021,828.40

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Solution

The fourth proportional to 31,104,186.20, 46,656,279.30 and 28,021,828.40 is: 42,032,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,186.20 : 46,656,279.30 = 28,021,828.40 : x
  2. Step 2: Convert to fraction form
    31,104,186.20/46,656,279.30 = 28,021,828.40/x
  3. Step 3: Cross multiply
    31,104,186.20x = 46,656,279.30 × 28,021,828.40
  4. Step 4: Simplify right side
    31,104,186.20x = 1,307,394,252,327,072
  5. Step 5: Solve for x
    x = 1,307,394,252,327,072/31,104,186.20
  6. Step 6: Final answer
    x = 42,032,742.60

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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.