Finding the Fourth Proportional to 48,689,806.84, 72,918,789.52 and 28,176,284.68
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Solution
The fourth proportional to 48,689,806.84, 72,918,789.52 and 28,176,284.68 is: 42,197,344.89
Step by Step Solution
- Step 1: Write the proportion equation
48,689,806.84 : 72,918,789.52 = 28,176,284.68 : x - Step 2: Convert to fraction form
48,689,806.84/72,918,789.52 = 28,176,284.68/x - Step 3: Cross multiply
48,689,806.84x = 72,918,789.52 × 28,176,284.68 - Step 4: Simplify right side
48,689,806.84x = 2,054,580,572,036,520.50 - Step 5: Solve for x
x = 2,054,580,572,036,520.50/48,689,806.84 - Step 6: Final answer
x = 42,197,344.89
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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.