Finding the Fourth Proportional to 12,827,689.12, 19,239,127.98 and 6,436,225.36
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Solution
The fourth proportional to 12,827,689.12, 19,239,127.98 and 6,436,225.36 is: 9,653,130.99
Step by Step Solution
- Step 1: Write the proportion equation
12,827,689.12 : 19,239,127.98 = 6,436,225.36 : x - Step 2: Convert to fraction form
12,827,689.12/19,239,127.98 = 6,436,225.36/x - Step 3: Cross multiply
12,827,689.12x = 19,239,127.98 × 6,436,225.36 - Step 4: Simplify right side
12,827,689.12x = 123,827,363,409,161.58 - Step 5: Solve for x
x = 123,827,363,409,161.58/12,827,689.12 - Step 6: Final answer
x = 9,653,130.99
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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.