Finding the Fourth Proportional to 9,201,511.08, 12,698,473.86 and 5,127,129
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Solution
The fourth proportional to 9,201,511.08, 12,698,473.86 and 5,127,129 is: 7,075,654.53
Step by Step Solution
- Step 1: Write the proportion equation
9,201,511.08 : 12,698,473.86 = 5,127,129 : x - Step 2: Convert to fraction form
9,201,511.08/12,698,473.86 = 5,127,129/x - Step 3: Cross multiply
9,201,511.08x = 12,698,473.86 × 5,127,129 - Step 4: Simplify right side
9,201,511.08x = 65,106,713,583,347.94 - Step 5: Solve for x
x = 65,106,713,583,347.94/9,201,511.08 - Step 6: Final answer
x = 7,075,654.53
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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.