Finding the Fourth Proportional to 9,878,441.02, 14,817,661.50 and 6,511,860.70
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Solution
The fourth proportional to 9,878,441.02, 14,817,661.50 and 6,511,860.70 is: 9,767,791.03
Step by Step Solution
- Step 1: Write the proportion equation
9,878,441.02 : 14,817,661.50 = 6,511,860.70 : x - Step 2: Convert to fraction form
9,878,441.02/14,817,661.50 = 6,511,860.70/x - Step 3: Cross multiply
9,878,441.02x = 14,817,661.50 × 6,511,860.70 - Step 4: Simplify right side
9,878,441.02x = 96,490,547,587,753.05 - Step 5: Solve for x
x = 96,490,547,587,753.05/9,878,441.02 - Step 6: Final answer
x = 9,767,791.03
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1.5x scale
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.