Finding the Fourth Proportional to 16,774,921.60, 25,125,057.60 and 13,788,937.60
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Solution
The fourth proportional to 16,774,921.60, 25,125,057.60 and 13,788,937.60 is: 20,652,725.52
Step by Step Solution
- Step 1: Write the proportion equation
16,774,921.60 : 25,125,057.60 = 13,788,937.60 : x - Step 2: Convert to fraction form
16,774,921.60/25,125,057.60 = 13,788,937.60/x - Step 3: Cross multiply
16,774,921.60x = 25,125,057.60 × 13,788,937.60 - Step 4: Simplify right side
16,774,921.60x = 346,447,851,442,805.75 - Step 5: Solve for x
x = 346,447,851,442,805.75/16,774,921.60 - Step 6: Final answer
x = 20,652,725.52
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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.