Finding the Fourth Proportional to 26,485,548.06, 39,706,882.99 and 8,280,372.30
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Solution
The fourth proportional to 26,485,548.06, 39,706,882.99 and 8,280,372.30 is: 12,413,855.78
Step by Step Solution
- Step 1: Write the proportion equation
26,485,548.06 : 39,706,882.99 = 8,280,372.30 : x - Step 2: Convert to fraction form
26,485,548.06/39,706,882.99 = 8,280,372.30/x - Step 3: Cross multiply
26,485,548.06x = 39,706,882.99 × 8,280,372.30 - Step 4: Simplify right side
26,485,548.06x = 328,787,773,988,335.31 - Step 5: Solve for x
x = 328,787,773,988,335.31/26,485,548.06 - Step 6: Final answer
x = 12,413,855.78
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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.