Finding the Fourth Proportional to 12,209,646.19, 16,849,509.16 and 6,703,528.63
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Solution
The fourth proportional to 12,209,646.19, 16,849,509.16 and 6,703,528.63 is: 9,250,977.90
Step by Step Solution
- Step 1: Write the proportion equation
12,209,646.19 : 16,849,509.16 = 6,703,528.63 : x - Step 2: Convert to fraction form
12,209,646.19/16,849,509.16 = 6,703,528.63/x - Step 3: Cross multiply
12,209,646.19x = 16,849,509.16 × 6,703,528.63 - Step 4: Simplify right side
12,209,646.19x = 112,951,167,055,507.25 - Step 5: Solve for x
x = 112,951,167,055,507.25/12,209,646.19 - Step 6: Final answer
x = 9,250,977.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.