Finding the Fourth Proportional to 8,891,386.68, 12,270,126.12 and 4,817,005.68
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Solution
The fourth proportional to 8,891,386.68, 12,270,126.12 and 4,817,005.68 is: 6,647,474.61
Step by Step Solution
- Step 1: Write the proportion equation
8,891,386.68 : 12,270,126.12 = 4,817,005.68 : x - Step 2: Convert to fraction form
8,891,386.68/12,270,126.12 = 4,817,005.68/x - Step 3: Cross multiply
8,891,386.68x = 12,270,126.12 × 4,817,005.68 - Step 4: Simplify right side
8,891,386.68x = 59,105,267,214,356.35 - Step 5: Solve for x
x = 59,105,267,214,356.35/8,891,386.68 - Step 6: Final answer
x = 6,647,474.61
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1.5x scale
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.