Home / 23,117,967.36-31,903,311.04-13,194,651.68

Finding the Fourth Proportional to 23,117,967.36, 31,903,311.04 and 13,194,651.68

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Solution

The fourth proportional to 23,117,967.36, 31,903,311.04 and 13,194,651.68 is: 18,208,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117,967.36 : 31,903,311.04 = 13,194,651.68 : x
  2. Step 2: Convert to fraction form
    23,117,967.36/31,903,311.04 = 13,194,651.68/x
  3. Step 3: Cross multiply
    23,117,967.36x = 31,903,311.04 × 13,194,651.68
  4. Step 4: Simplify right side
    23,117,967.36x = 420,953,076,611,498.50
  5. Step 5: Solve for x
    x = 420,953,076,611,498.50/23,117,967.36
  6. Step 6: Final answer
    x = 18,208,913.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.