Home / 8,430,357.36-11,634,174.78-5,166,541.47

Finding the Fourth Proportional to 8,430,357.36, 11,634,174.78 and 5,166,541.47

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Solution

The fourth proportional to 8,430,357.36, 11,634,174.78 and 5,166,541.47 is: 7,129,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,357.36 : 11,634,174.78 = 5,166,541.47 : x
  2. Step 2: Convert to fraction form
    8,430,357.36/11,634,174.78 = 5,166,541.47/x
  3. Step 3: Cross multiply
    8,430,357.36x = 11,634,174.78 × 5,166,541.47
  4. Step 4: Simplify right side
    8,430,357.36x = 60,108,446,470,098.12
  5. Step 5: Solve for x
    x = 60,108,446,470,098.12/8,430,357.36
  6. Step 6: Final answer
    x = 7,129,999.82

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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.