Home / 19,686,342.60-29,585,501.10-17,222,905.80

Finding the Fourth Proportional to 19,686,342.60, 29,585,501.10 and 17,222,905.80

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Solution

The fourth proportional to 19,686,342.60, 29,585,501.10 and 17,222,905.80 is: 25,883,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,342.60 : 29,585,501.10 = 17,222,905.80 : x
  2. Step 2: Convert to fraction form
    19,686,342.60/29,585,501.10 = 17,222,905.80/x
  3. Step 3: Cross multiply
    19,686,342.60x = 29,585,501.10 × 17,222,905.80
  4. Step 4: Simplify right side
    19,686,342.60x = 509,548,298,491,096.44
  5. Step 5: Solve for x
    x = 509,548,298,491,096.44/19,686,342.60
  6. Step 6: Final answer
    x = 25,883,339.98

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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.