Finding the Fourth Proportional to 38,358,374.22, 52,936,446 and 21,838,825.98
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Solution
The fourth proportional to 38,358,374.22, 52,936,446 and 21,838,825.98 is: 30,138,655.66
Step by Step Solution
- Step 1: Write the proportion equation
38,358,374.22 : 52,936,446 = 21,838,825.98 : x - Step 2: Convert to fraction form
38,358,374.22/52,936,446 = 21,838,825.98/x - Step 3: Cross multiply
38,358,374.22x = 52,936,446 × 21,838,825.98 - Step 4: Simplify right side
38,358,374.22x = 1,156,069,832,193,667 - Step 5: Solve for x
x = 1,156,069,832,193,667/38,358,374.22 - Step 6: Final answer
x = 30,138,655.66
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1.5x scale
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.