Home / 15,338,999.22-21,168,261.93-8,463,924.18

Finding the Fourth Proportional to 15,338,999.22, 21,168,261.93 and 8,463,924.18

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Solution

The fourth proportional to 15,338,999.22, 21,168,261.93 and 8,463,924.18 is: 11,680,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,999.22 : 21,168,261.93 = 8,463,924.18 : x
  2. Step 2: Convert to fraction form
    15,338,999.22/21,168,261.93 = 8,463,924.18/x
  3. Step 3: Cross multiply
    15,338,999.22x = 21,168,261.93 × 8,463,924.18
  4. Step 4: Simplify right side
    15,338,999.22x = 179,166,563,997,900.47
  5. Step 5: Solve for x
    x = 179,166,563,997,900.47/15,338,999.22
  6. Step 6: Final answer
    x = 11,680,459.82

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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.