Finding the Fourth Proportional to 10,935,070.10, 16,402,605.15 and 6,878,403.80
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Solution
The fourth proportional to 10,935,070.10, 16,402,605.15 and 6,878,403.80 is: 10,317,605.70
Step by Step Solution
- Step 1: Write the proportion equation
10,935,070.10 : 16,402,605.15 = 6,878,403.80 : x - Step 2: Convert to fraction form
10,935,070.10/16,402,605.15 = 6,878,403.80/x - Step 3: Cross multiply
10,935,070.10x = 16,402,605.15 × 6,878,403.80 - Step 4: Simplify right side
10,935,070.10x = 112,823,741,593,659.56 - Step 5: Solve for x
x = 112,823,741,593,659.56/10,935,070.10 - Step 6: Final answer
x = 10,317,605.70
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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.