Finding the Fourth Proportional to 26,640,959.41, 39,958,068.40 and 8,445,329.91
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Solution
The fourth proportional to 26,640,959.41, 39,958,068.40 and 8,445,329.91 is: 12,666,926.33
Step by Step Solution
- Step 1: Write the proportion equation
26,640,959.41 : 39,958,068.40 = 8,445,329.91 : x - Step 2: Convert to fraction form
26,640,959.41/39,958,068.40 = 8,445,329.91/x - Step 3: Cross multiply
26,640,959.41x = 39,958,068.40 × 8,445,329.91 - Step 4: Simplify right side
26,640,959.41x = 337,459,070,183,232.56 - Step 5: Solve for x
x = 337,459,070,183,232.56/26,640,959.41 - Step 6: Final answer
x = 12,666,926.33
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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.