Home / 14,190,756.80-21,258,141.60-8,494,059.20

Finding the Fourth Proportional to 14,190,756.80, 21,258,141.60 and 8,494,059.20

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Solution

The fourth proportional to 14,190,756.80, 21,258,141.60 and 8,494,059.20 is: 12,724,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,756.80 : 21,258,141.60 = 8,494,059.20 : x
  2. Step 2: Convert to fraction form
    14,190,756.80/21,258,141.60 = 8,494,059.20/x
  3. Step 3: Cross multiply
    14,190,756.80x = 21,258,141.60 × 8,494,059.20
  4. Step 4: Simplify right side
    14,190,756.80x = 180,567,913,232,382.72
  5. Step 5: Solve for x
    x = 180,567,913,232,382.72/14,190,756.80
  6. Step 6: Final answer
    x = 12,724,332.87

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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.