Home / 19,180,663.52-28,789,184.64-11,872,015.27

Finding the Fourth Proportional to 19,180,663.52, 28,789,184.64 and 11,872,015.27

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Solution

The fourth proportional to 19,180,663.52, 28,789,184.64 and 11,872,015.27 is: 17,819,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180,663.52 : 28,789,184.64 = 11,872,015.27 : x
  2. Step 2: Convert to fraction form
    19,180,663.52/28,789,184.64 = 11,872,015.27/x
  3. Step 3: Cross multiply
    19,180,663.52x = 28,789,184.64 × 11,872,015.27
  4. Step 4: Simplify right side
    19,180,663.52x = 341,785,639,656,929.44
  5. Step 5: Solve for x
    x = 341,785,639,656,929.44/19,180,663.52
  6. Step 6: Final answer
    x = 17,819,281.35

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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.