Finding the Fourth Proportional to 7,032,750.84, 10,547,026.74 and 2,989,221.12
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Solution
The fourth proportional to 7,032,750.84, 10,547,026.74 and 2,989,221.12 is: 4,482,939.29
Step by Step Solution
- Step 1: Write the proportion equation
7,032,750.84 : 10,547,026.74 = 2,989,221.12 : x - Step 2: Convert to fraction form
7,032,750.84/10,547,026.74 = 2,989,221.12/x - Step 3: Cross multiply
7,032,750.84x = 10,547,026.74 × 2,989,221.12 - Step 4: Simplify right side
7,032,750.84x = 31,527,395,084,412.75 - Step 5: Solve for x
x = 31,527,395,084,412.75/7,032,750.84 - Step 6: Final answer
x = 4,482,939.29
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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.