Finding the Fourth Proportional to 19,693,955.61, 29,540,515.85 and 6,564,322.80
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Solution
The fourth proportional to 19,693,955.61, 29,540,515.85 and 6,564,322.80 is: 9,846,345.02
Step by Step Solution
- Step 1: Write the proportion equation
19,693,955.61 : 29,540,515.85 = 6,564,322.80 : x - Step 2: Convert to fraction form
19,693,955.61/29,540,515.85 = 6,564,322.80/x - Step 3: Cross multiply
19,693,955.61x = 29,540,515.85 × 6,564,322.80 - Step 4: Simplify right side
19,693,955.61x = 193,913,481,717,916.38 - Step 5: Solve for x
x = 193,913,481,717,916.38/19,693,955.61 - Step 6: Final answer
x = 9,846,345.02
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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.