Finding the Fourth Proportional to 7,047,657.30, 10,579,359.15 and 6,585,106.80
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Solution
The fourth proportional to 7,047,657.30, 10,579,359.15 and 6,585,106.80 is: 9,885,016.67
Step by Step Solution
- Step 1: Write the proportion equation
7,047,657.30 : 10,579,359.15 = 6,585,106.80 : x - Step 2: Convert to fraction form
7,047,657.30/10,579,359.15 = 6,585,106.80/x - Step 3: Cross multiply
7,047,657.30x = 10,579,359.15 × 6,585,106.80 - Step 4: Simplify right side
7,047,657.30x = 69,666,209,878,307.22 - Step 5: Solve for x
x = 69,666,209,878,307.22/7,047,657.30 - Step 6: Final answer
x = 9,885,016.67
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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.