Home / 28,742,714.60-43,043,213.10-19,105,917.80

Finding the Fourth Proportional to 28,742,714.60, 43,043,213.10 and 19,105,917.80

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Solution

The fourth proportional to 28,742,714.60, 43,043,213.10 and 19,105,917.80 is: 28,611,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,714.60 : 43,043,213.10 = 19,105,917.80 : x
  2. Step 2: Convert to fraction form
    28,742,714.60/43,043,213.10 = 19,105,917.80/x
  3. Step 3: Cross multiply
    28,742,714.60x = 43,043,213.10 × 19,105,917.80
  4. Step 4: Simplify right side
    28,742,714.60x = 822,380,091,336,483.25
  5. Step 5: Solve for x
    x = 822,380,091,336,483.25/28,742,714.60
  6. Step 6: Final answer
    x = 28,611,775.29

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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.