Home / 13,396,803.90-20,095,205.85-12,780,944.70

Finding the Fourth Proportional to 13,396,803.90, 20,095,205.85 and 12,780,944.70

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Solution

The fourth proportional to 13,396,803.90, 20,095,205.85 and 12,780,944.70 is: 19,171,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396,803.90 : 20,095,205.85 = 12,780,944.70 : x
  2. Step 2: Convert to fraction form
    13,396,803.90/20,095,205.85 = 12,780,944.70/x
  3. Step 3: Cross multiply
    13,396,803.90x = 20,095,205.85 × 12,780,944.70
  4. Step 4: Simplify right side
    13,396,803.90x = 256,835,714,703,966.50
  5. Step 5: Solve for x
    x = 256,835,714,703,966.50/13,396,803.90
  6. Step 6: Final answer
    x = 19,171,417.05

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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.