Home / 39,295,940.40-58,887,923.40-28,980,298.80

Finding the Fourth Proportional to 39,295,940.40, 58,887,923.40 and 28,980,298.80

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Solution

The fourth proportional to 39,295,940.40, 58,887,923.40 and 28,980,298.80 is: 43,429,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,295,940.40 : 58,887,923.40 = 28,980,298.80 : x
  2. Step 2: Convert to fraction form
    39,295,940.40/58,887,923.40 = 28,980,298.80/x
  3. Step 3: Cross multiply
    39,295,940.40x = 58,887,923.40 × 28,980,298.80
  4. Step 4: Simplify right side
    39,295,940.40x = 1,706,589,615,843,512
  5. Step 5: Solve for x
    x = 1,706,589,615,843,512/39,295,940.40
  6. Step 6: Final answer
    x = 43,429,158.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.