Home / 20,804,590.90-31,206,886.35-14,422,050.10

Finding the Fourth Proportional to 20,804,590.90, 31,206,886.35 and 14,422,050.10

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Solution

The fourth proportional to 20,804,590.90, 31,206,886.35 and 14,422,050.10 is: 21,633,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,590.90 : 31,206,886.35 = 14,422,050.10 : x
  2. Step 2: Convert to fraction form
    20,804,590.90/31,206,886.35 = 14,422,050.10/x
  3. Step 3: Cross multiply
    20,804,590.90x = 31,206,886.35 × 14,422,050.10
  4. Step 4: Simplify right side
    20,804,590.90x = 450,067,278,404,706.12
  5. Step 5: Solve for x
    x = 450,067,278,404,706.12/20,804,590.90
  6. Step 6: Final answer
    x = 21,633,075.15

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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.