Finding the Fourth Proportional to 17,480,649.84, 24,122,768.40 and 9,640,158.05
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Solution
The fourth proportional to 17,480,649.84, 24,122,768.40 and 9,640,158.05 is: 13,303,126.71
Step by Step Solution
- Step 1: Write the proportion equation
17,480,649.84 : 24,122,768.40 = 9,640,158.05 : x - Step 2: Convert to fraction form
17,480,649.84/24,122,768.40 = 9,640,158.05/x - Step 3: Cross multiply
17,480,649.84x = 24,122,768.40 × 9,640,158.05 - Step 4: Simplify right side
17,480,649.84x = 232,547,299,858,931.75 - Step 5: Solve for x
x = 232,547,299,858,931.75/17,480,649.84 - Step 6: Final answer
x = 13,303,126.71
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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.