Home / 8,615,887.14-11,891,950.42-5,355,164.50

Finding the Fourth Proportional to 8,615,887.14, 11,891,950.42 and 5,355,164.50

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Solution

The fourth proportional to 8,615,887.14, 11,891,950.42 and 5,355,164.50 is: 7,391,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,887.14 : 11,891,950.42 = 5,355,164.50 : x
  2. Step 2: Convert to fraction form
    8,615,887.14/11,891,950.42 = 5,355,164.50/x
  3. Step 3: Cross multiply
    8,615,887.14x = 11,891,950.42 × 5,355,164.50
  4. Step 4: Simplify right side
    8,615,887.14x = 63,683,350,724,944.09
  5. Step 5: Solve for x
    x = 63,683,350,724,944.09/8,615,887.14
  6. Step 6: Final answer
    x = 7,391,386.36

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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.