Home / 7,228,128.44-10,845,503.63-3,130,702.79

Finding the Fourth Proportional to 7,228,128.44, 10,845,503.63 and 3,130,702.79

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Solution

The fourth proportional to 7,228,128.44, 10,845,503.63 and 3,130,702.79 is: 4,697,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,128.44 : 10,845,503.63 = 3,130,702.79 : x
  2. Step 2: Convert to fraction form
    7,228,128.44/10,845,503.63 = 3,130,702.79/x
  3. Step 3: Cross multiply
    7,228,128.44x = 10,845,503.63 × 3,130,702.79
  4. Step 4: Simplify right side
    7,228,128.44x = 33,954,048,415,255.23
  5. Step 5: Solve for x
    x = 33,954,048,415,255.23/7,228,128.44
  6. Step 6: Final answer
    x = 4,697,488.25

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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.