Finding the Fourth Proportional to 19,576,196.79, 29,319,565.55 and 9,348,221.07
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Solution
The fourth proportional to 19,576,196.79, 29,319,565.55 and 9,348,221.07 is: 14,000,971.86
Step by Step Solution
- Step 1: Write the proportion equation
19,576,196.79 : 29,319,565.55 = 9,348,221.07 : x - Step 2: Convert to fraction form
19,576,196.79/29,319,565.55 = 9,348,221.07/x - Step 3: Cross multiply
19,576,196.79x = 29,319,565.55 × 9,348,221.07 - Step 4: Simplify right side
19,576,196.79x = 274,085,780,391,015.06 - Step 5: Solve for x
x = 274,085,780,391,015.06/19,576,196.79 - Step 6: Final answer
x = 14,000,971.86
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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.