Home / 15,558,829.80-21,477,069.54-11,702,487.24

Finding the Fourth Proportional to 15,558,829.80, 21,477,069.54 and 11,702,487.24

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Solution

The fourth proportional to 15,558,829.80, 21,477,069.54 and 11,702,487.24 is: 16,153,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,829.80 : 21,477,069.54 = 11,702,487.24 : x
  2. Step 2: Convert to fraction form
    15,558,829.80/21,477,069.54 = 11,702,487.24/x
  3. Step 3: Cross multiply
    15,558,829.80x = 21,477,069.54 × 11,702,487.24
  4. Step 4: Simplify right side
    15,558,829.80x = 251,335,132,244,442.66
  5. Step 5: Solve for x
    x = 251,335,132,244,442.66/15,558,829.80
  6. Step 6: Final answer
    x = 16,153,858.32

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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.