Finding the Fourth Proportional to 11,575,265.77, 15,974,160.05 and 6,348,482.02
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Solution
The fourth proportional to 11,575,265.77, 15,974,160.05 and 6,348,482.02 is: 8,761,066.05
Step by Step Solution
- Step 1: Write the proportion equation
11,575,265.77 : 15,974,160.05 = 6,348,482.02 : x - Step 2: Convert to fraction form
11,575,265.77/15,974,160.05 = 6,348,482.02/x - Step 3: Cross multiply
11,575,265.77x = 15,974,160.05 × 6,348,482.02 - Step 4: Simplify right side
11,575,265.77x = 101,411,667,897,866.22 - Step 5: Solve for x
x = 101,411,667,897,866.22/11,575,265.77 - Step 6: Final answer
x = 8,761,066.05
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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.