Finding the Fourth Proportional to 15,243,143.52, 22,869,206.82 and 6,140,556.99
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Solution
The fourth proportional to 15,243,143.52, 22,869,206.82 and 6,140,556.99 is: 9,212,644.86
Step by Step Solution
- Step 1: Write the proportion equation
15,243,143.52 : 22,869,206.82 = 6,140,556.99 : x - Step 2: Convert to fraction form
15,243,143.52/22,869,206.82 = 6,140,556.99/x - Step 3: Cross multiply
15,243,143.52x = 22,869,206.82 × 6,140,556.99 - Step 4: Simplify right side
15,243,143.52x = 140,429,667,794,306.67 - Step 5: Solve for x
x = 140,429,667,794,306.67/15,243,143.52 - Step 6: Final answer
x = 9,212,644.86
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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.