Home / 19,080,080.10-28,620,120.15-11,427,329.70

Finding the Fourth Proportional to 19,080,080.10, 28,620,120.15 and 11,427,329.70

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Solution

The fourth proportional to 19,080,080.10, 28,620,120.15 and 11,427,329.70 is: 17,140,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080,080.10 : 28,620,120.15 = 11,427,329.70 : x
  2. Step 2: Convert to fraction form
    19,080,080.10/28,620,120.15 = 11,427,329.70/x
  3. Step 3: Cross multiply
    19,080,080.10x = 28,620,120.15 × 11,427,329.70
  4. Step 4: Simplify right side
    19,080,080.10x = 327,051,549,007,663.44
  5. Step 5: Solve for x
    x = 327,051,549,007,663.44/19,080,080.10
  6. Step 6: Final answer
    x = 17,140,994.55

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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.