Home / 28,483,867.42-42,725,801.64-6,918,323.79

Finding the Fourth Proportional to 28,483,867.42, 42,725,801.64 and 6,918,323.79

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Solution

The fourth proportional to 28,483,867.42, 42,725,801.64 and 6,918,323.79 is: 10,377,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483,867.42 : 42,725,801.64 = 6,918,323.79 : x
  2. Step 2: Convert to fraction form
    28,483,867.42/42,725,801.64 = 6,918,323.79/x
  3. Step 3: Cross multiply
    28,483,867.42x = 42,725,801.64 × 6,918,323.79
  4. Step 4: Simplify right side
    28,483,867.42x = 295,590,929,932,833
  5. Step 5: Solve for x
    x = 295,590,929,932,833/28,483,867.42
  6. Step 6: Final answer
    x = 10,377,485.81

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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.