Finding the Fourth Proportional to 10,742,413.60, 16,080,442.80 and 6,241,319.20
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Solution
The fourth proportional to 10,742,413.60, 16,080,442.80 and 6,241,319.20 is: 9,342,702.69
Step by Step Solution
- Step 1: Write the proportion equation
10,742,413.60 : 16,080,442.80 = 6,241,319.20 : x - Step 2: Convert to fraction form
10,742,413.60/16,080,442.80 = 6,241,319.20/x - Step 3: Cross multiply
10,742,413.60x = 16,080,442.80 × 6,241,319.20 - Step 4: Simplify right side
10,742,413.60x = 100,363,176,392,141.77 - Step 5: Solve for x
x = 100,363,176,392,141.77/10,742,413.60 - Step 6: Final answer
x = 9,342,702.69
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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.