Home / 13,913,368.80-20,870,053.20-9,661,840.80

Finding the Fourth Proportional to 13,913,368.80, 20,870,053.20 and 9,661,840.80

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Solution

The fourth proportional to 13,913,368.80, 20,870,053.20 and 9,661,840.80 is: 14,492,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,368.80 : 20,870,053.20 = 9,661,840.80 : x
  2. Step 2: Convert to fraction form
    13,913,368.80/20,870,053.20 = 9,661,840.80/x
  3. Step 3: Cross multiply
    13,913,368.80x = 20,870,053.20 × 9,661,840.80
  4. Step 4: Simplify right side
    13,913,368.80x = 201,643,131,505,930.56
  5. Step 5: Solve for x
    x = 201,643,131,505,930.56/13,913,368.80
  6. Step 6: Final answer
    x = 14,492,761.20

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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.