Home / 15,913,379.44-23,870,235.66-12,738,686.32

Finding the Fourth Proportional to 15,913,379.44, 23,870,235.66 and 12,738,686.32

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Solution

The fourth proportional to 15,913,379.44, 23,870,235.66 and 12,738,686.32 is: 19,108,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913,379.44 : 23,870,235.66 = 12,738,686.32 : x
  2. Step 2: Convert to fraction form
    15,913,379.44/23,870,235.66 = 12,738,686.32/x
  3. Step 3: Cross multiply
    15,913,379.44x = 23,870,235.66 × 12,738,686.32
  4. Step 4: Simplify right side
    15,913,379.44x = 304,075,444,457,218.19
  5. Step 5: Solve for x
    x = 304,075,444,457,218.19/15,913,379.44
  6. Step 6: Final answer
    x = 19,108,162.76

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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.