Home / 18,592,831.20-27,889,246.80-16,520,211.30

Finding the Fourth Proportional to 18,592,831.20, 27,889,246.80 and 16,520,211.30

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Solution

The fourth proportional to 18,592,831.20, 27,889,246.80 and 16,520,211.30 is: 24,780,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592,831.20 : 27,889,246.80 = 16,520,211.30 : x
  2. Step 2: Convert to fraction form
    18,592,831.20/27,889,246.80 = 16,520,211.30/x
  3. Step 3: Cross multiply
    18,592,831.20x = 27,889,246.80 × 16,520,211.30
  4. Step 4: Simplify right side
    18,592,831.20x = 460,736,250,133,848.88
  5. Step 5: Solve for x
    x = 460,736,250,133,848.88/18,592,831.20
  6. Step 6: Final answer
    x = 24,780,316.95

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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.