Home / 8,629,858.71-11,909,491.01-4,709,829.35

Finding the Fourth Proportional to 8,629,858.71, 11,909,491.01 and 4,709,829.35

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Solution

The fourth proportional to 8,629,858.71, 11,909,491.01 and 4,709,829.35 is: 6,499,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,858.71 : 11,909,491.01 = 4,709,829.35 : x
  2. Step 2: Convert to fraction form
    8,629,858.71/11,909,491.01 = 4,709,829.35/x
  3. Step 3: Cross multiply
    8,629,858.71x = 11,909,491.01 × 4,709,829.35
  4. Step 4: Simplify right side
    8,629,858.71x = 56,091,670,219,362.54
  5. Step 5: Solve for x
    x = 56,091,670,219,362.54/8,629,858.71
  6. Step 6: Final answer
    x = 6,499,720.58

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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.