Finding the Fourth Proportional to 19,432,867.80, 29,161,743.30 and 11,345,827.80
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Solution
The fourth proportional to 19,432,867.80, 29,161,743.30 and 11,345,827.80 is: 17,026,005.69
Step by Step Solution
- Step 1: Write the proportion equation
19,432,867.80 : 29,161,743.30 = 11,345,827.80 : x - Step 2: Convert to fraction form
19,432,867.80/29,161,743.30 = 11,345,827.80/x - Step 3: Cross multiply
19,432,867.80x = 29,161,743.30 × 11,345,827.80 - Step 4: Simplify right side
19,432,867.80x = 330,864,117,829,603.75 - Step 5: Solve for x
x = 330,864,117,829,603.75/19,432,867.80 - Step 6: Final answer
x = 17,026,005.69
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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.