Home / 8,142,798.69-11,230,835.51-5,531,316.34

Finding the Fourth Proportional to 8,142,798.69, 11,230,835.51 and 5,531,316.34

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Solution

The fourth proportional to 8,142,798.69, 11,230,835.51 and 5,531,316.34 is: 7,628,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,798.69 : 11,230,835.51 = 5,531,316.34 : x
  2. Step 2: Convert to fraction form
    8,142,798.69/11,230,835.51 = 5,531,316.34/x
  3. Step 3: Cross multiply
    8,142,798.69x = 11,230,835.51 × 5,531,316.34
  4. Step 4: Simplify right side
    8,142,798.69x = 62,121,303,968,315.23
  5. Step 5: Solve for x
    x = 62,121,303,968,315.23/8,142,798.69
  6. Step 6: Final answer
    x = 7,628,986.83

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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.