Finding the Fourth Proportional to 12,772,395.42, 17,626,176.28 and 7,265,587.74
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Solution
The fourth proportional to 12,772,395.42, 17,626,176.28 and 7,265,587.74 is: 10,026,665.01
Step by Step Solution
- Step 1: Write the proportion equation
12,772,395.42 : 17,626,176.28 = 7,265,587.74 : x - Step 2: Convert to fraction form
12,772,395.42/17,626,176.28 = 7,265,587.74/x - Step 3: Cross multiply
12,772,395.42x = 17,626,176.28 × 7,265,587.74 - Step 4: Simplify right side
12,772,395.42x = 128,064,530,283,046.81 - Step 5: Solve for x
x = 128,064,530,283,046.81/12,772,395.42 - Step 6: Final answer
x = 10,026,665.01
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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.