Finding the Fourth Proportional to 8,537,124.51, 12,805,708.61 and 3,488,434.99
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Solution
The fourth proportional to 8,537,124.51, 12,805,708.61 and 3,488,434.99 is: 5,232,661.41
Step by Step Solution
- Step 1: Write the proportion equation
8,537,124.51 : 12,805,708.61 = 3,488,434.99 : x - Step 2: Convert to fraction form
8,537,124.51/12,805,708.61 = 3,488,434.99/x - Step 3: Cross multiply
8,537,124.51x = 12,805,708.61 × 3,488,434.99 - Step 4: Simplify right side
8,537,124.51x = 44,671,881,969,426.09 - Step 5: Solve for x
x = 44,671,881,969,426.09/8,537,124.51 - Step 6: Final answer
x = 5,232,661.41
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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.