Finding the Fourth Proportional to 9,999,938.16, 15,000,793.11 and 2,811,534.57
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Solution
The fourth proportional to 9,999,938.16, 15,000,793.11 and 2,811,534.57 is: 4,217,550.92
Step by Step Solution
- Step 1: Write the proportion equation
9,999,938.16 : 15,000,793.11 = 2,811,534.57 : x - Step 2: Convert to fraction form
9,999,938.16/15,000,793.11 = 2,811,534.57/x - Step 3: Cross multiply
9,999,938.16x = 15,000,793.11 × 2,811,534.57 - Step 4: Simplify right side
9,999,938.16x = 42,175,248,406,182.80 - Step 5: Solve for x
x = 42,175,248,406,182.80/9,999,938.16 - Step 6: Final answer
x = 4,217,550.92
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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.