Home / 20,320,508.04-28,042,315.73-11,028,075.65

Finding the Fourth Proportional to 20,320,508.04, 28,042,315.73 and 11,028,075.65

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Solution

The fourth proportional to 20,320,508.04, 28,042,315.73 and 11,028,075.65 is: 15,218,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320,508.04 : 28,042,315.73 = 11,028,075.65 : x
  2. Step 2: Convert to fraction form
    20,320,508.04/28,042,315.73 = 11,028,075.65/x
  3. Step 3: Cross multiply
    20,320,508.04x = 28,042,315.73 × 11,028,075.65
  4. Step 4: Simplify right side
    20,320,508.04x = 309,252,779,271,625
  5. Step 5: Solve for x
    x = 309,252,779,271,625/20,320,508.04
  6. Step 6: Final answer
    x = 15,218,752.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.