Home / 21,888,137.20-32,832,205.80-12,818,210.80

Finding the Fourth Proportional to 21,888,137.20, 32,832,205.80 and 12,818,210.80

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Solution

The fourth proportional to 21,888,137.20, 32,832,205.80 and 12,818,210.80 is: 19,227,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,137.20 : 32,832,205.80 = 12,818,210.80 : x
  2. Step 2: Convert to fraction form
    21,888,137.20/32,832,205.80 = 12,818,210.80/x
  3. Step 3: Cross multiply
    21,888,137.20x = 32,832,205.80 × 12,818,210.80
  4. Step 4: Simplify right side
    21,888,137.20x = 420,850,134,973,382.69
  5. Step 5: Solve for x
    x = 420,850,134,973,382.69/21,888,137.20
  6. Step 6: Final answer
    x = 19,227,316.20

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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.