Finding the Fourth Proportional to 13,865,158.68, 19,127,471.10 and 8,971,962.12
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Solution
The fourth proportional to 13,865,158.68, 19,127,471.10 and 8,971,962.12 is: 12,377,135.39
Step by Step Solution
- Step 1: Write the proportion equation
13,865,158.68 : 19,127,471.10 = 8,971,962.12 : x - Step 2: Convert to fraction form
13,865,158.68/19,127,471.10 = 8,971,962.12/x - Step 3: Cross multiply
13,865,158.68x = 19,127,471.10 × 8,971,962.12 - Step 4: Simplify right side
13,865,158.68x = 171,610,946,160,594.72 - Step 5: Solve for x
x = 171,610,946,160,594.72/13,865,158.68 - Step 6: Final answer
x = 12,377,135.39
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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.