Home / 15,113,333.34-20,856,405.62-8,586,971.36

Finding the Fourth Proportional to 15,113,333.34, 20,856,405.62 and 8,586,971.36

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Solution

The fourth proportional to 15,113,333.34, 20,856,405.62 and 8,586,971.36 is: 11,850,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,333.34 : 20,856,405.62 = 8,586,971.36 : x
  2. Step 2: Convert to fraction form
    15,113,333.34/20,856,405.62 = 8,586,971.36/x
  3. Step 3: Cross multiply
    15,113,333.34x = 20,856,405.62 × 8,586,971.36
  4. Step 4: Simplify right side
    15,113,333.34x = 179,093,357,731,483.03
  5. Step 5: Solve for x
    x = 179,093,357,731,483.03/15,113,333.34
  6. Step 6: Final answer
    x = 11,850,023.66

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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.