Finding the Fourth Proportional to 10,702,875.18, 14,769,977.76 and 6,119,292.54
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Solution
The fourth proportional to 10,702,875.18, 14,769,977.76 and 6,119,292.54 is: 8,444,629.43
Step by Step Solution
- Step 1: Write the proportion equation
10,702,875.18 : 14,769,977.76 = 6,119,292.54 : x - Step 2: Convert to fraction form
10,702,875.18/14,769,977.76 = 6,119,292.54/x - Step 3: Cross multiply
10,702,875.18x = 14,769,977.76 × 6,119,292.54 - Step 4: Simplify right side
10,702,875.18x = 90,381,814,722,733.91 - Step 5: Solve for x
x = 90,381,814,722,733.91/10,702,875.18 - Step 6: Final answer
x = 8,444,629.43
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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.