Home / 20,112,984.20-30,169,476.30-7,333,905.80

Finding the Fourth Proportional to 20,112,984.20, 30,169,476.30 and 7,333,905.80

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Solution

The fourth proportional to 20,112,984.20, 30,169,476.30 and 7,333,905.80 is: 11,000,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,984.20 : 30,169,476.30 = 7,333,905.80 : x
  2. Step 2: Convert to fraction form
    20,112,984.20/30,169,476.30 = 7,333,905.80/x
  3. Step 3: Cross multiply
    20,112,984.20x = 30,169,476.30 × 7,333,905.80
  4. Step 4: Simplify right side
    20,112,984.20x = 221,260,097,219,532.53
  5. Step 5: Solve for x
    x = 221,260,097,219,532.53/20,112,984.20
  6. Step 6: Final answer
    x = 11,000,858.70

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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.