Home / 7,020,907.70-10,510,366.35-4,179,557.30

Finding the Fourth Proportional to 7,020,907.70, 10,510,366.35 and 4,179,557.30

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Solution

The fourth proportional to 7,020,907.70, 10,510,366.35 and 4,179,557.30 is: 6,256,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,907.70 : 10,510,366.35 = 4,179,557.30 : x
  2. Step 2: Convert to fraction form
    7,020,907.70/10,510,366.35 = 4,179,557.30/x
  3. Step 3: Cross multiply
    7,020,907.70x = 10,510,366.35 × 4,179,557.30
  4. Step 4: Simplify right side
    7,020,907.70x = 43,928,678,403,816.85
  5. Step 5: Solve for x
    x = 43,928,678,403,816.85/7,020,907.70
  6. Step 6: Final answer
    x = 6,256,837.47

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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.