Finding the Fourth Proportional to 7,148,023.61, 9,865,707.36 and 4,246,856.02
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Solution
The fourth proportional to 7,148,023.61, 9,865,707.36 and 4,246,856.02 is: 5,861,513.76
Step by Step Solution
- Step 1: Write the proportion equation
7,148,023.61 : 9,865,707.36 = 4,246,856.02 : x - Step 2: Convert to fraction form
7,148,023.61/9,865,707.36 = 4,246,856.02/x - Step 3: Cross multiply
7,148,023.61x = 9,865,707.36 × 4,246,856.02 - Step 4: Simplify right side
7,148,023.61x = 41,898,238,689,780.73 - Step 5: Solve for x
x = 41,898,238,689,780.73/7,148,023.61 - Step 6: Final answer
x = 5,861,513.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.