Finding the Fourth Proportional to 8,926,897.64, 12,307,714.04 and 5,781,603.92
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Solution
The fourth proportional to 8,926,897.64, 12,307,714.04 and 5,781,603.92 is: 7,971,227.02
Step by Step Solution
- Step 1: Write the proportion equation
8,926,897.64 : 12,307,714.04 = 5,781,603.92 : x - Step 2: Convert to fraction form
8,926,897.64/12,307,714.04 = 5,781,603.92/x - Step 3: Cross multiply
8,926,897.64x = 12,307,714.04 × 5,781,603.92 - Step 4: Simplify right side
8,926,897.64x = 71,158,327,710,995.02 - Step 5: Solve for x
x = 71,158,327,710,995.02/8,926,897.64 - Step 6: Final answer
x = 7,971,227.02
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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.