Finding the Fourth Proportional to 42,657,929.92, 63,993,530.40 and 13,897,370.08
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Solution
The fourth proportional to 42,657,929.92, 63,993,530.40 and 13,897,370.08 is: 20,848,216.88
Step by Step Solution
- Step 1: Write the proportion equation
42,657,929.92 : 63,993,530.40 = 13,897,370.08 : x - Step 2: Convert to fraction form
42,657,929.92/63,993,530.40 = 13,897,370.08/x - Step 3: Cross multiply
42,657,929.92x = 63,993,530.40 × 13,897,370.08 - Step 4: Simplify right side
42,657,929.92x = 889,341,774,694,530.38 - Step 5: Solve for x
x = 889,341,774,694,530.38/42,657,929.92 - Step 6: Final answer
x = 20,848,216.88
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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.