Finding the Fourth Proportional to 51,013,753.02, 76,512,741.66 and 18,658,089.18
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Solution
The fourth proportional to 51,013,753.02, 76,512,741.66 and 18,658,089.18 is: 27,984,248.81
Step by Step Solution
- Step 1: Write the proportion equation
51,013,753.02 : 76,512,741.66 = 18,658,089.18 : x - Step 2: Convert to fraction form
51,013,753.02/76,512,741.66 = 18,658,089.18/x - Step 3: Cross multiply
51,013,753.02x = 76,512,741.66 × 18,658,089.18 - Step 4: Simplify right side
51,013,753.02x = 1,427,581,557,298,581.25 - Step 5: Solve for x
x = 1,427,581,557,298,581.25/51,013,753.02 - Step 6: Final answer
x = 27,984,248.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.