Finding the Fourth Proportional to 11,487,773.68, 15,855,480.13 and 6,844,278.91
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Solution
The fourth proportional to 11,487,773.68, 15,855,480.13 and 6,844,278.91 is: 9,446,506.46
Step by Step Solution
- Step 1: Write the proportion equation
11,487,773.68 : 15,855,480.13 = 6,844,278.91 : x - Step 2: Convert to fraction form
11,487,773.68/15,855,480.13 = 6,844,278.91/x - Step 3: Cross multiply
11,487,773.68x = 15,855,480.13 × 6,844,278.91 - Step 4: Simplify right side
11,487,773.68x = 108,519,328,261,683.06 - Step 5: Solve for x
x = 108,519,328,261,683.06/11,487,773.68 - Step 6: Final answer
x = 9,446,506.46
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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.