Finding the Fourth Proportional to 41,124,806.40, 61,710,829.20 and 15,584,145.60
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Solution
The fourth proportional to 41,124,806.40, 61,710,829.20 and 15,584,145.60 is: 23,385,168.99
Step by Step Solution
- Step 1: Write the proportion equation
41,124,806.40 : 61,710,829.20 = 15,584,145.60 : x - Step 2: Convert to fraction form
41,124,806.40/61,710,829.20 = 15,584,145.60/x - Step 3: Cross multiply
41,124,806.40x = 61,710,829.20 × 15,584,145.60 - Step 4: Simplify right side
41,124,806.40x = 961,710,547,349,531.50 - Step 5: Solve for x
x = 961,710,547,349,531.50/41,124,806.40 - Step 6: Final answer
x = 23,385,168.99
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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.