Finding the Fourth Proportional to 14,350,856.08, 19,804,335.96 and 7,824,432.28
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Solution
The fourth proportional to 14,350,856.08, 19,804,335.96 and 7,824,432.28 is: 10,797,800.82
Step by Step Solution
- Step 1: Write the proportion equation
14,350,856.08 : 19,804,335.96 = 7,824,432.28 : x - Step 2: Convert to fraction form
14,350,856.08/19,804,335.96 = 7,824,432.28/x - Step 3: Cross multiply
14,350,856.08x = 19,804,335.96 × 7,824,432.28 - Step 4: Simplify right side
14,350,856.08x = 154,957,685,569,388.81 - Step 5: Solve for x
x = 154,957,685,569,388.81/14,350,856.08 - Step 6: Final answer
x = 10,797,800.82
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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.