Home / 8,047,288.81-11,134,501.77-7,016,945.12

Finding the Fourth Proportional to 8,047,288.81, 11,134,501.77 and 7,016,945.12

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Solution

The fourth proportional to 8,047,288.81, 11,134,501.77 and 7,016,945.12 is: 9,708,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,288.81 : 11,134,501.77 = 7,016,945.12 : x
  2. Step 2: Convert to fraction form
    8,047,288.81/11,134,501.77 = 7,016,945.12/x
  3. Step 3: Cross multiply
    8,047,288.81x = 11,134,501.77 × 7,016,945.12
  4. Step 4: Simplify right side
    8,047,288.81x = 78,130,187,802,960.36
  5. Step 5: Solve for x
    x = 78,130,187,802,960.36/8,047,288.81
  6. Step 6: Final answer
    x = 9,708,883.29

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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.