Home / 20,415,482.64-30,627,617.40-10,185,843.60

Finding the Fourth Proportional to 20,415,482.64, 30,627,617.40 and 10,185,843.60

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Solution

The fourth proportional to 20,415,482.64, 30,627,617.40 and 10,185,843.60 is: 15,280,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,482.64 : 30,627,617.40 = 10,185,843.60 : x
  2. Step 2: Convert to fraction form
    20,415,482.64/30,627,617.40 = 10,185,843.60/x
  3. Step 3: Cross multiply
    20,415,482.64x = 30,627,617.40 × 10,185,843.60
  4. Step 4: Simplify right side
    20,415,482.64x = 311,968,120,677,038.62
  5. Step 5: Solve for x
    x = 311,968,120,677,038.62/20,415,482.64
  6. Step 6: Final answer
    x = 15,280,957.41

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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.