Finding the Fourth Proportional to 38,600,607.95, 57,902,774.11 and 12,692,335.68
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Solution
The fourth proportional to 38,600,607.95, 57,902,774.11 and 12,692,335.68 is: 19,039,115.83
Step by Step Solution
- Step 1: Write the proportion equation
38,600,607.95 : 57,902,774.11 = 12,692,335.68 : x - Step 2: Convert to fraction form
38,600,607.95/57,902,774.11 = 12,692,335.68/x - Step 3: Cross multiply
38,600,607.95x = 57,902,774.11 × 12,692,335.68 - Step 4: Simplify right side
38,600,607.95x = 734,921,445,807,333.25 - Step 5: Solve for x
x = 734,921,445,807,333.25/38,600,607.95 - Step 6: Final answer
x = 19,039,115.83
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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.