Finding the Fourth Proportional to 18,290,468.76, 27,411,788.14 and 7,495,130.58
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Solution
The fourth proportional to 18,290,468.76, 27,411,788.14 and 7,495,130.58 is: 11,232,895.90
Step by Step Solution
- Step 1: Write the proportion equation
18,290,468.76 : 27,411,788.14 = 7,495,130.58 : x - Step 2: Convert to fraction form
18,290,468.76/27,411,788.14 = 7,495,130.58/x - Step 3: Cross multiply
18,290,468.76x = 27,411,788.14 × 7,495,130.58 - Step 4: Simplify right side
18,290,468.76x = 205,454,931,419,063.28 - Step 5: Solve for x
x = 205,454,931,419,063.28/18,290,468.76 - Step 6: Final answer
x = 11,232,895.90
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1.5x scale
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.