Home / 21,347,184.58-29,458,763.05-11,557,550.50

Finding the Fourth Proportional to 21,347,184.58, 29,458,763.05 and 11,557,550.50

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Solution

The fourth proportional to 21,347,184.58, 29,458,763.05 and 11,557,550.50 is: 15,949,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,184.58 : 29,458,763.05 = 11,557,550.50 : x
  2. Step 2: Convert to fraction form
    21,347,184.58/29,458,763.05 = 11,557,550.50/x
  3. Step 3: Cross multiply
    21,347,184.58x = 29,458,763.05 × 11,557,550.50
  4. Step 4: Simplify right side
    21,347,184.58x = 340,471,141,617,909.06
  5. Step 5: Solve for x
    x = 340,471,141,617,909.06/21,347,184.58
  6. Step 6: Final answer
    x = 15,949,229.29

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1.5x scale

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.