Home / 15,192,840.23-20,968,115.37-8,664,973.28

Finding the Fourth Proportional to 15,192,840.23, 20,968,115.37 and 8,664,973.28

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Solution

The fourth proportional to 15,192,840.23, 20,968,115.37 and 8,664,973.28 is: 11,958,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192,840.23 : 20,968,115.37 = 8,664,973.28 : x
  2. Step 2: Convert to fraction form
    15,192,840.23/20,968,115.37 = 8,664,973.28/x
  3. Step 3: Cross multiply
    15,192,840.23x = 20,968,115.37 × 8,664,973.28
  4. Step 4: Simplify right side
    15,192,840.23x = 181,688,159,403,044
  5. Step 5: Solve for x
    x = 181,688,159,403,044/15,192,840.23
  6. Step 6: Final answer
    x = 11,958,801.43

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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.