Home / 28,085,886.20-42,128,829.30-22,984,052.60

Finding the Fourth Proportional to 28,085,886.20, 42,128,829.30 and 22,984,052.60

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Solution

The fourth proportional to 28,085,886.20, 42,128,829.30 and 22,984,052.60 is: 34,476,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,886.20 : 42,128,829.30 = 22,984,052.60 : x
  2. Step 2: Convert to fraction form
    28,085,886.20/42,128,829.30 = 22,984,052.60/x
  3. Step 3: Cross multiply
    28,085,886.20x = 42,128,829.30 × 22,984,052.60
  4. Step 4: Simplify right side
    28,085,886.20x = 968,291,228,607,621.12
  5. Step 5: Solve for x
    x = 968,291,228,607,621.12/28,085,886.20
  6. Step 6: Final answer
    x = 34,476,078.90

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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.