Home / 18,462,924.60-27,699,506.10-7,685,302.20

Finding the Fourth Proportional to 18,462,924.60, 27,699,506.10 and 7,685,302.20

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Solution

The fourth proportional to 18,462,924.60, 27,699,506.10 and 7,685,302.20 is: 11,530,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,924.60 : 27,699,506.10 = 7,685,302.20 : x
  2. Step 2: Convert to fraction form
    18,462,924.60/27,699,506.10 = 7,685,302.20/x
  3. Step 3: Cross multiply
    18,462,924.60x = 27,699,506.10 × 7,685,302.20
  4. Step 4: Simplify right side
    18,462,924.60x = 212,879,075,169,243.44
  5. Step 5: Solve for x
    x = 212,879,075,169,243.44/18,462,924.60
  6. Step 6: Final answer
    x = 11,530,084.20

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1.5x scale

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.