Finding the Fourth Proportional to 28,462,913.44, 39,278,351.65 and 15,410,068.00
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Solution
The fourth proportional to 28,462,913.44, 39,278,351.65 and 15,410,068.00 is: 21,265,639.97
Step by Step Solution
- Step 1: Write the proportion equation
28,462,913.44 : 39,278,351.65 = 15,410,068.00 : x - Step 2: Convert to fraction form
28,462,913.44/39,278,351.65 = 15,410,068.00/x - Step 3: Cross multiply
28,462,913.44x = 39,278,351.65 × 15,410,068.00 - Step 4: Simplify right side
28,462,913.44x = 605,282,069,619,495.25 - Step 5: Solve for x
x = 605,282,069,619,495.25/28,462,913.44 - Step 6: Final answer
x = 21,265,639.97
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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.