Home / 18,962,807.40-28,444,211.10-16,943,331.60

Finding the Fourth Proportional to 18,962,807.40, 28,444,211.10 and 16,943,331.60

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Solution

The fourth proportional to 18,962,807.40, 28,444,211.10 and 16,943,331.60 is: 25,414,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962,807.40 : 28,444,211.10 = 16,943,331.60 : x
  2. Step 2: Convert to fraction form
    18,962,807.40/28,444,211.10 = 16,943,331.60/x
  3. Step 3: Cross multiply
    18,962,807.40x = 28,444,211.10 × 16,943,331.60
  4. Step 4: Simplify right side
    18,962,807.40x = 481,939,700,767,700.81
  5. Step 5: Solve for x
    x = 481,939,700,767,700.81/18,962,807.40
  6. Step 6: Final answer
    x = 25,414,997.40

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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.