Finding the Fourth Proportional to 30,229,726.93, 45,335,805.64 and 11,781,566.08
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Solution
The fourth proportional to 30,229,726.93, 45,335,805.64 and 11,781,566.08 is: 17,668,925.39
Step by Step Solution
- Step 1: Write the proportion equation
30,229,726.93 : 45,335,805.64 = 11,781,566.08 : x - Step 2: Convert to fraction form
30,229,726.93/45,335,805.64 = 11,781,566.08/x - Step 3: Cross multiply
30,229,726.93x = 45,335,805.64 × 11,781,566.08 - Step 4: Simplify right side
30,229,726.93x = 534,126,789,652,109.75 - Step 5: Solve for x
x = 534,126,789,652,109.75/30,229,726.93 - Step 6: Final answer
x = 17,668,925.39
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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.