Home / 7,478,256.80-11,220,884.40-3,888,077.60

Finding the Fourth Proportional to 7,478,256.80, 11,220,884.40 and 3,888,077.60

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Solution

The fourth proportional to 7,478,256.80, 11,220,884.40 and 3,888,077.60 is: 5,833,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,256.80 : 11,220,884.40 = 3,888,077.60 : x
  2. Step 2: Convert to fraction form
    7,478,256.80/11,220,884.40 = 3,888,077.60/x
  3. Step 3: Cross multiply
    7,478,256.80x = 11,220,884.40 × 3,888,077.60
  4. Step 4: Simplify right side
    7,478,256.80x = 43,627,669,287,829.45
  5. Step 5: Solve for x
    x = 43,627,669,287,829.45/7,478,256.80
  6. Step 6: Final answer
    x = 5,833,935.70

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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.