Home / 21,551,189.15-32,326,783.73-8,765,112.35

Finding the Fourth Proportional to 21,551,189.15, 32,326,783.73 and 8,765,112.35

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Solution

The fourth proportional to 21,551,189.15, 32,326,783.73 and 8,765,112.35 is: 13,147,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,189.15 : 32,326,783.73 = 8,765,112.35 : x
  2. Step 2: Convert to fraction form
    21,551,189.15/32,326,783.73 = 8,765,112.35/x
  3. Step 3: Cross multiply
    21,551,189.15x = 32,326,783.73 × 8,765,112.35
  4. Step 4: Simplify right side
    21,551,189.15x = 283,347,891,307,602.06
  5. Step 5: Solve for x
    x = 283,347,891,307,602.06/21,551,189.15
  6. Step 6: Final answer
    x = 13,147,668.53

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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.