Home / 7,887,716-11,832,881.34-2,768,817.72

Finding the Fourth Proportional to 7,887,716, 11,832,881.34 and 2,768,817.72

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Solution

The fourth proportional to 7,887,716, 11,832,881.34 and 2,768,817.72 is: 4,153,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,716 : 11,832,881.34 = 2,768,817.72 : x
  2. Step 2: Convert to fraction form
    7,887,716/11,832,881.34 = 2,768,817.72/x
  3. Step 3: Cross multiply
    7,887,716x = 11,832,881.34 × 2,768,817.72
  4. Step 4: Simplify right side
    7,887,716x = 32,763,091,532,849.35
  5. Step 5: Solve for x
    x = 32,763,091,532,849.35/7,887,716
  6. Step 6: Final answer
    x = 4,153,685.49

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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.