Finding the Fourth Proportional to 9,995,991.16, 14,994,547.53 and 2,806,964.49
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Solution
The fourth proportional to 9,995,991.16, 14,994,547.53 and 2,806,964.49 is: 4,210,604.21
Step by Step Solution
- Step 1: Write the proportion equation
9,995,991.16 : 14,994,547.53 = 2,806,964.49 : x - Step 2: Convert to fraction form
9,995,991.16/14,994,547.53 = 2,806,964.49/x - Step 3: Cross multiply
9,995,991.16x = 14,994,547.53 × 2,806,964.49 - Step 4: Simplify right side
9,995,991.16x = 42,089,162,460,327.21 - Step 5: Solve for x
x = 42,089,162,460,327.21/9,995,991.16 - Step 6: Final answer
x = 4,210,604.21
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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.