Finding the Fourth Proportional to 8,909,045.62, 12,294,490.84 and 4,834,664.62
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Solution
The fourth proportional to 8,909,045.62, 12,294,490.84 and 4,834,664.62 is: 6,671,841.45
Step by Step Solution
- Step 1: Write the proportion equation
8,909,045.62 : 12,294,490.84 = 4,834,664.62 : x - Step 2: Convert to fraction form
8,909,045.62/12,294,490.84 = 4,834,664.62/x - Step 3: Cross multiply
8,909,045.62x = 12,294,490.84 × 4,834,664.62 - Step 4: Simplify right side
8,909,045.62x = 59,439,739,885,062.08 - Step 5: Solve for x
x = 59,439,739,885,062.08/8,909,045.62 - Step 6: Final answer
x = 6,671,841.45
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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.