Finding the Fourth Proportional to 7,983,482.07, 11,017,209.63 and 4,312,398.66
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Solution
The fourth proportional to 7,983,482.07, 11,017,209.63 and 4,312,398.66 is: 5,951,112.51
Step by Step Solution
- Step 1: Write the proportion equation
7,983,482.07 : 11,017,209.63 = 4,312,398.66 : x - Step 2: Convert to fraction form
7,983,482.07/11,017,209.63 = 4,312,398.66/x - Step 3: Cross multiply
7,983,482.07x = 11,017,209.63 × 4,312,398.66 - Step 4: Simplify right side
7,983,482.07x = 47,510,600,045,351.10 - Step 5: Solve for x
x = 47,510,600,045,351.10/7,983,482.07 - Step 6: Final answer
x = 5,951,112.51
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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.