Home / 19,291,801.37-28,899,867.24-11,187,751.50

Finding the Fourth Proportional to 19,291,801.37, 28,899,867.24 and 11,187,751.50

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Solution

The fourth proportional to 19,291,801.37, 28,899,867.24 and 11,187,751.50 is: 16,759,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,801.37 : 28,899,867.24 = 11,187,751.50 : x
  2. Step 2: Convert to fraction form
    19,291,801.37/28,899,867.24 = 11,187,751.50/x
  3. Step 3: Cross multiply
    19,291,801.37x = 28,899,867.24 × 11,187,751.50
  4. Step 4: Simplify right side
    19,291,801.37x = 323,324,533,064,110.81
  5. Step 5: Solve for x
    x = 323,324,533,064,110.81/19,291,801.37
  6. Step 6: Final answer
    x = 16,759,685.99

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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.