Home / 7,128,874.86-10,693,940.67-2,011,349.58

Finding the Fourth Proportional to 7,128,874.86, 10,693,940.67 and 2,011,349.58

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Solution

The fourth proportional to 7,128,874.86, 10,693,940.67 and 2,011,349.58 is: 3,017,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,874.86 : 10,693,940.67 = 2,011,349.58 : x
  2. Step 2: Convert to fraction form
    7,128,874.86/10,693,940.67 = 2,011,349.58/x
  3. Step 3: Cross multiply
    7,128,874.86x = 10,693,940.67 × 2,011,349.58
  4. Step 4: Simplify right side
    7,128,874.86x = 21,509,253,075,149.42
  5. Step 5: Solve for x
    x = 21,509,253,075,149.42/7,128,874.86
  6. Step 6: Final answer
    x = 3,017,201.66

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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.