Home / 19,780,025.34-27,287,739.88-11,935,161.94

Finding the Fourth Proportional to 19,780,025.34, 27,287,739.88 and 11,935,161.94

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Solution

The fourth proportional to 19,780,025.34, 27,287,739.88 and 11,935,161.94 is: 16,465,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780,025.34 : 27,287,739.88 = 11,935,161.94 : x
  2. Step 2: Convert to fraction form
    19,780,025.34/27,287,739.88 = 11,935,161.94/x
  3. Step 3: Cross multiply
    19,780,025.34x = 27,287,739.88 × 11,935,161.94
  4. Step 4: Simplify right side
    19,780,025.34x = 325,683,594,444,396.12
  5. Step 5: Solve for x
    x = 325,683,594,444,396.12/19,780,025.34
  6. Step 6: Final answer
    x = 16,465,276.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.