Home / 20,190,443.40-30,285,665.10-6,727,271.40

Finding the Fourth Proportional to 20,190,443.40, 30,285,665.10 and 6,727,271.40

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Solution

The fourth proportional to 20,190,443.40, 30,285,665.10 and 6,727,271.40 is: 10,090,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,443.40 : 30,285,665.10 = 6,727,271.40 : x
  2. Step 2: Convert to fraction form
    20,190,443.40/30,285,665.10 = 6,727,271.40/x
  3. Step 3: Cross multiply
    20,190,443.40x = 30,285,665.10 × 6,727,271.40
  4. Step 4: Simplify right side
    20,190,443.40x = 203,739,888,657,208.16
  5. Step 5: Solve for x
    x = 203,739,888,657,208.16/20,190,443.40
  6. Step 6: Final answer
    x = 10,090,907.10

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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.