Finding the Fourth Proportional to 18,436,602.40, 27,671,634.15 and 9,345,024.70
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Solution
The fourth proportional to 18,436,602.40, 27,671,634.15 and 9,345,024.70 is: 14,026,017.32
Step by Step Solution
- Step 1: Write the proportion equation
18,436,602.40 : 27,671,634.15 = 9,345,024.70 : x - Step 2: Convert to fraction form
18,436,602.40/27,671,634.15 = 9,345,024.70/x - Step 3: Cross multiply
18,436,602.40x = 27,671,634.15 × 9,345,024.70 - Step 4: Simplify right side
18,436,602.40x = 258,592,104,621,113.47 - Step 5: Solve for x
x = 258,592,104,621,113.47/18,436,602.40 - Step 6: Final answer
x = 14,026,017.32
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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.