Finding the Fourth Proportional to 38,029,856.70, 52,482,390.27 and 21,509,658
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Solution
The fourth proportional to 38,029,856.70, 52,482,390.27 and 21,509,658 is: 29,683,999.99
Step by Step Solution
- Step 1: Write the proportion equation
38,029,856.70 : 52,482,390.27 = 21,509,658 : x - Step 2: Convert to fraction form
38,029,856.70/52,482,390.27 = 21,509,658/x - Step 3: Cross multiply
38,029,856.70x = 52,482,390.27 × 21,509,658 - Step 4: Simplify right side
38,029,856.70x = 1,128,878,265,730,227.75 - Step 5: Solve for x
x = 1,128,878,265,730,227.75/38,029,856.70 - Step 6: Final answer
x = 29,683,999.99
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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.