Finding the Fourth Proportional to 42,235,538.40, 63,353,307.60 and 14,972,615.10
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Solution
The fourth proportional to 42,235,538.40, 63,353,307.60 and 14,972,615.10 is: 22,458,922.65
Step by Step Solution
- Step 1: Write the proportion equation
42,235,538.40 : 63,353,307.60 = 14,972,615.10 : x - Step 2: Convert to fraction form
42,235,538.40/63,353,307.60 = 14,972,615.10/x - Step 3: Cross multiply
42,235,538.40x = 63,353,307.60 × 14,972,615.10 - Step 4: Simplify right side
42,235,538.40x = 948,564,690,006,704.75 - Step 5: Solve for x
x = 948,564,690,006,704.75/42,235,538.40 - Step 6: Final answer
x = 22,458,922.65
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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.