Home / 9,042,351.81-12,478,157.63-5,174,789.93

Finding the Fourth Proportional to 9,042,351.81, 12,478,157.63 and 5,174,789.93

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Solution

The fourth proportional to 9,042,351.81, 12,478,157.63 and 5,174,789.93 is: 7,141,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,351.81 : 12,478,157.63 = 5,174,789.93 : x
  2. Step 2: Convert to fraction form
    9,042,351.81/12,478,157.63 = 5,174,789.93/x
  3. Step 3: Cross multiply
    9,042,351.81x = 12,478,157.63 × 5,174,789.93
  4. Step 4: Simplify right side
    9,042,351.81x = 64,571,844,426,610.48
  5. Step 5: Solve for x
    x = 64,571,844,426,610.48/9,042,351.81
  6. Step 6: Final answer
    x = 7,141,045.36

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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.