Finding the Fourth Proportional to 8,580,936.64, 11,840,409.12 and 4,909,270
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Solution
The fourth proportional to 8,580,936.64, 11,840,409.12 and 4,909,270 is: 6,774,058.32
Step by Step Solution
- Step 1: Write the proportion equation
8,580,936.64 : 11,840,409.12 = 4,909,270 : x - Step 2: Convert to fraction form
8,580,936.64/11,840,409.12 = 4,909,270/x - Step 3: Cross multiply
8,580,936.64x = 11,840,409.12 × 4,909,270 - Step 4: Simplify right side
8,580,936.64x = 58,127,765,280,542.40 - Step 5: Solve for x
x = 58,127,765,280,542.40/8,580,936.64 - Step 6: Final answer
x = 6,774,058.32
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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.