Finding the Fourth Proportional to 26,618,343.84, 39,934,589.28 and 8,422,862.40
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Solution
The fourth proportional to 26,618,343.84, 39,934,589.28 and 8,422,862.40 is: 12,636,531.88
Step by Step Solution
- Step 1: Write the proportion equation
26,618,343.84 : 39,934,589.28 = 8,422,862.40 : x - Step 2: Convert to fraction form
26,618,343.84/39,934,589.28 = 8,422,862.40/x - Step 3: Cross multiply
26,618,343.84x = 39,934,589.28 × 8,422,862.40 - Step 4: Simplify right side
26,618,343.84x = 336,363,550,505,955.12 - Step 5: Solve for x
x = 336,363,550,505,955.12/26,618,343.84 - Step 6: Final answer
x = 12,636,531.88
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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.