Home / 25,112,110.80-37,668,166.20-12,340,808.40

Finding the Fourth Proportional to 25,112,110.80, 37,668,166.20 and 12,340,808.40

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Solution

The fourth proportional to 25,112,110.80, 37,668,166.20 and 12,340,808.40 is: 18,511,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112,110.80 : 37,668,166.20 = 12,340,808.40 : x
  2. Step 2: Convert to fraction form
    25,112,110.80/37,668,166.20 = 12,340,808.40/x
  3. Step 3: Cross multiply
    25,112,110.80x = 37,668,166.20 × 12,340,808.40
  4. Step 4: Simplify right side
    25,112,110.80x = 464,855,621,853,556.12
  5. Step 5: Solve for x
    x = 464,855,621,853,556.12/25,112,110.80
  6. Step 6: Final answer
    x = 18,511,212.60

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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.