Finding the Fourth Proportional to 7,907,603.19, 10,913,503.02 and 4,423,135.62
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Solution
The fourth proportional to 7,907,603.19, 10,913,503.02 and 4,423,135.62 is: 6,104,492.45
Step by Step Solution
- Step 1: Write the proportion equation
7,907,603.19 : 10,913,503.02 = 4,423,135.62 : x - Step 2: Convert to fraction form
7,907,603.19/10,913,503.02 = 4,423,135.62/x - Step 3: Cross multiply
7,907,603.19x = 10,913,503.02 × 4,423,135.62 - Step 4: Simplify right side
7,907,603.19x = 48,271,903,946,739.57 - Step 5: Solve for x
x = 48,271,903,946,739.57/7,907,603.19 - Step 6: Final answer
x = 6,104,492.45
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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.