Home / 16,128,019.40-24,194,102.70-8,045,126.60

Finding the Fourth Proportional to 16,128,019.40, 24,194,102.70 and 8,045,126.60

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Solution

The fourth proportional to 16,128,019.40, 24,194,102.70 and 8,045,126.60 is: 12,068,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,019.40 : 24,194,102.70 = 8,045,126.60 : x
  2. Step 2: Convert to fraction form
    16,128,019.40/24,194,102.70 = 8,045,126.60/x
  3. Step 3: Cross multiply
    16,128,019.40x = 24,194,102.70 × 8,045,126.60
  4. Step 4: Simplify right side
    16,128,019.40x = 194,644,619,194,901.81
  5. Step 5: Solve for x
    x = 194,644,619,194,901.81/16,128,019.40
  6. Step 6: Final answer
    x = 12,068,724.27

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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.