Finding the Fourth Proportional to 7,830,723.84, 10,806,472.64 and 4,393,038.68
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Solution
The fourth proportional to 7,830,723.84, 10,806,472.64 and 4,393,038.68 is: 6,062,434.75
Step by Step Solution
- Step 1: Write the proportion equation
7,830,723.84 : 10,806,472.64 = 4,393,038.68 : x - Step 2: Convert to fraction form
7,830,723.84/10,806,472.64 = 4,393,038.68/x - Step 3: Cross multiply
7,830,723.84x = 10,806,472.64 × 4,393,038.68 - Step 4: Simplify right side
7,830,723.84x = 47,473,252,301,881.71 - Step 5: Solve for x
x = 47,473,252,301,881.71/7,830,723.84 - Step 6: Final answer
x = 6,062,434.75
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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.