Finding the Fourth Proportional to 28,552,403.16, 42,830,266.08 and 8,080,410.12
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Solution
The fourth proportional to 28,552,403.16, 42,830,266.08 and 8,080,410.12 is: 12,121,085.34
Step by Step Solution
- Step 1: Write the proportion equation
28,552,403.16 : 42,830,266.08 = 8,080,410.12 : x - Step 2: Convert to fraction form
28,552,403.16/42,830,266.08 = 8,080,410.12/x - Step 3: Cross multiply
28,552,403.16x = 42,830,266.08 × 8,080,410.12 - Step 4: Simplify right side
28,552,403.16x = 346,086,115,475,124.75 - Step 5: Solve for x
x = 346,086,115,475,124.75/28,552,403.16 - Step 6: Final answer
x = 12,121,085.34
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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.