Finding the Fourth Proportional to 29,643,947.70, 40,909,926.36 and 16,413,124.50
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Solution
The fourth proportional to 29,643,947.70, 40,909,926.36 and 16,413,124.50 is: 22,650,819.70
Step by Step Solution
- Step 1: Write the proportion equation
29,643,947.70 : 40,909,926.36 = 16,413,124.50 : x - Step 2: Convert to fraction form
29,643,947.70/40,909,926.36 = 16,413,124.50/x - Step 3: Cross multiply
29,643,947.70x = 40,909,926.36 × 16,413,124.50 - Step 4: Simplify right side
29,643,947.70x = 671,459,714,632,511.75 - Step 5: Solve for x
x = 671,459,714,632,511.75/29,643,947.70 - Step 6: Final answer
x = 22,650,819.70
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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.