Finding the Fourth Proportional to 18,570,188.70, 27,831,663.45 and 8,964,884.70
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Solution
The fourth proportional to 18,570,188.70, 27,831,663.45 and 8,964,884.70 is: 13,435,924.53
Step by Step Solution
- Step 1: Write the proportion equation
18,570,188.70 : 27,831,663.45 = 8,964,884.70 : x - Step 2: Convert to fraction form
18,570,188.70/27,831,663.45 = 8,964,884.70/x - Step 3: Cross multiply
18,570,188.70x = 27,831,663.45 × 8,964,884.70 - Step 4: Simplify right side
18,570,188.70x = 249,507,653,838,454.19 - Step 5: Solve for x
x = 249,507,653,838,454.19/18,570,188.70 - Step 6: Final answer
x = 13,435,924.53
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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.