Home / 22,147,980.10-33,221,970.15-19,118,766.40

Finding the Fourth Proportional to 22,147,980.10, 33,221,970.15 and 19,118,766.40

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Solution

The fourth proportional to 22,147,980.10, 33,221,970.15 and 19,118,766.40 is: 28,678,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,980.10 : 33,221,970.15 = 19,118,766.40 : x
  2. Step 2: Convert to fraction form
    22,147,980.10/33,221,970.15 = 19,118,766.40/x
  3. Step 3: Cross multiply
    22,147,980.10x = 33,221,970.15 × 19,118,766.40
  4. Step 4: Simplify right side
    22,147,980.10x = 635,163,086,645,622.88
  5. Step 5: Solve for x
    x = 635,163,086,645,622.88/22,147,980.10
  6. Step 6: Final answer
    x = 28,678,149.60

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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.