Finding the Fourth Proportional to 42,644,147.42, 63,973,294.71 and 14,970,890.99
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Solution
The fourth proportional to 42,644,147.42, 63,973,294.71 and 14,970,890.99 is: 22,458,819.77
Step by Step Solution
- Step 1: Write the proportion equation
42,644,147.42 : 63,973,294.71 = 14,970,890.99 : x - Step 2: Convert to fraction form
42,644,147.42/63,973,294.71 = 14,970,890.99/x - Step 3: Cross multiply
42,644,147.42x = 63,973,294.71 × 14,970,890.99 - Step 4: Simplify right side
42,644,147.42x = 957,737,221,054,687.12 - Step 5: Solve for x
x = 957,737,221,054,687.12/42,644,147.42 - Step 6: Final answer
x = 22,458,819.77
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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.