Home / 12,889,557.93-17,782,555.62-7,379,988.27

Finding the Fourth Proportional to 12,889,557.93, 17,782,555.62 and 7,379,988.27

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Solution

The fourth proportional to 12,889,557.93, 17,782,555.62 and 7,379,988.27 is: 10,181,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,557.93 : 17,782,555.62 = 7,379,988.27 : x
  2. Step 2: Convert to fraction form
    12,889,557.93/17,782,555.62 = 7,379,988.27/x
  3. Step 3: Cross multiply
    12,889,557.93x = 17,782,555.62 × 7,379,988.27
  4. Step 4: Simplify right side
    12,889,557.93x = 131,235,051,886,222.58
  5. Step 5: Solve for x
    x = 131,235,051,886,222.58/12,889,557.93
  6. Step 6: Final answer
    x = 10,181,501.38

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1.5x scale

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.