Home / 31,423,089.70-43,357,364.87-18,367,823.27

Finding the Fourth Proportional to 31,423,089.70, 43,357,364.87 and 18,367,823.27

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Solution

The fourth proportional to 31,423,089.70, 43,357,364.87 and 18,367,823.27 is: 25,343,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423,089.70 : 43,357,364.87 = 18,367,823.27 : x
  2. Step 2: Convert to fraction form
    31,423,089.70/43,357,364.87 = 18,367,823.27/x
  3. Step 3: Cross multiply
    31,423,089.70x = 43,357,364.87 × 18,367,823.27
  4. Step 4: Simplify right side
    31,423,089.70x = 796,380,415,385,066.50
  5. Step 5: Solve for x
    x = 796,380,415,385,066.50/31,423,089.70
  6. Step 6: Final answer
    x = 25,343,797.28

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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.