Home / 7,990,307.78-11,027,704.50-4,506,362.71

Finding the Fourth Proportional to 7,990,307.78, 11,027,704.50 and 4,506,362.71

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Solution

The fourth proportional to 7,990,307.78, 11,027,704.50 and 4,506,362.71 is: 6,219,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,307.78 : 11,027,704.50 = 4,506,362.71 : x
  2. Step 2: Convert to fraction form
    7,990,307.78/11,027,704.50 = 4,506,362.71/x
  3. Step 3: Cross multiply
    7,990,307.78x = 11,027,704.50 × 4,506,362.71
  4. Step 4: Simplify right side
    7,990,307.78x = 49,694,836,308,129.93
  5. Step 5: Solve for x
    x = 49,694,836,308,129.93/7,990,307.78
  6. Step 6: Final answer
    x = 6,219,389.50

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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.