Finding the Fourth Proportional to 7,756,708.55, 11,606,718.49 and 4,563,338.63
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Solution
The fourth proportional to 7,756,708.55, 11,606,718.49 and 4,563,338.63 is: 6,828,332.72
Step by Step Solution
- Step 1: Write the proportion equation
7,756,708.55 : 11,606,718.49 = 4,563,338.63 : x - Step 2: Convert to fraction form
7,756,708.55/11,606,718.49 = 4,563,338.63/x - Step 3: Cross multiply
7,756,708.55x = 11,606,718.49 × 4,563,338.63 - Step 4: Simplify right side
7,756,708.55x = 52,965,386,783,510.34 - Step 5: Solve for x
x = 52,965,386,783,510.34/7,756,708.55 - Step 6: Final answer
x = 6,828,332.72
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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.