Finding the Fourth Proportional to 16,407,761.18, 22,577,363.10 and 15,908,538.80
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Solution
The fourth proportional to 16,407,761.18, 22,577,363.10 and 15,908,538.80 is: 21,890,424.47
Step by Step Solution
- Step 1: Write the proportion equation
16,407,761.18 : 22,577,363.10 = 15,908,538.80 : x - Step 2: Convert to fraction form
16,407,761.18/22,577,363.10 = 15,908,538.80/x - Step 3: Cross multiply
16,407,761.18x = 22,577,363.10 × 15,908,538.80 - Step 4: Simplify right side
16,407,761.18x = 359,172,856,878,038.31 - Step 5: Solve for x
x = 359,172,856,878,038.31/16,407,761.18 - Step 6: Final answer
x = 21,890,424.47
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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.