Home / 15,118,111.22-20,864,764.67-8,592,721.56

Finding the Fourth Proportional to 15,118,111.22, 20,864,764.67 and 8,592,721.56

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Solution

The fourth proportional to 15,118,111.22, 20,864,764.67 and 8,592,721.56 is: 11,858,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,111.22 : 20,864,764.67 = 8,592,721.56 : x
  2. Step 2: Convert to fraction form
    15,118,111.22/20,864,764.67 = 8,592,721.56/x
  3. Step 3: Cross multiply
    15,118,111.22x = 20,864,764.67 × 8,592,721.56
  4. Step 4: Simplify right side
    15,118,111.22x = 179,285,113,181,271.69
  5. Step 5: Solve for x
    x = 179,285,113,181,271.69/15,118,111.22
  6. Step 6: Final answer
    x = 11,858,962.45

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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.