Home / 28,223,999.60-42,335,999.40-11,179,007.60

Finding the Fourth Proportional to 28,223,999.60, 42,335,999.40 and 11,179,007.60

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Solution

The fourth proportional to 28,223,999.60, 42,335,999.40 and 11,179,007.60 is: 16,768,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,999.60 : 42,335,999.40 = 11,179,007.60 : x
  2. Step 2: Convert to fraction form
    28,223,999.60/42,335,999.40 = 11,179,007.60/x
  3. Step 3: Cross multiply
    28,223,999.60x = 42,335,999.40 × 11,179,007.60
  4. Step 4: Simplify right side
    28,223,999.60x = 473,274,459,046,195.44
  5. Step 5: Solve for x
    x = 473,274,459,046,195.44/28,223,999.60
  6. Step 6: Final answer
    x = 16,768,511.40

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1.5x scale

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.