Home / 19,275,149.04-28,901,075.09-9,042,252.72

Finding the Fourth Proportional to 19,275,149.04, 28,901,075.09 and 9,042,252.72

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Solution

The fourth proportional to 19,275,149.04, 28,901,075.09 and 9,042,252.72 is: 13,557,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,149.04 : 28,901,075.09 = 9,042,252.72 : x
  2. Step 2: Convert to fraction form
    19,275,149.04/28,901,075.09 = 9,042,252.72/x
  3. Step 3: Cross multiply
    19,275,149.04x = 28,901,075.09 × 9,042,252.72
  4. Step 4: Simplify right side
    19,275,149.04x = 261,330,824,798,265.50
  5. Step 5: Solve for x
    x = 261,330,824,798,265.50/19,275,149.04
  6. Step 6: Final answer
    x = 13,557,914.61

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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.