Home / 20,095,210.10-30,142,815.15-19,171,421.30

Finding the Fourth Proportional to 20,095,210.10, 30,142,815.15 and 19,171,421.30

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Solution

The fourth proportional to 20,095,210.10, 30,142,815.15 and 19,171,421.30 is: 28,757,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095,210.10 : 30,142,815.15 = 19,171,421.30 : x
  2. Step 2: Convert to fraction form
    20,095,210.10/30,142,815.15 = 19,171,421.30/x
  3. Step 3: Cross multiply
    20,095,210.10x = 30,142,815.15 × 19,171,421.30
  4. Step 4: Simplify right side
    20,095,210.10x = 577,880,608,408,672.75
  5. Step 5: Solve for x
    x = 577,880,608,408,672.75/20,095,210.10
  6. Step 6: Final answer
    x = 28,757,131.95

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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.