Finding the Fourth Proportional to 14,208,641.44, 19,609,721.04 and 9,317,978.08
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Solution
The fourth proportional to 14,208,641.44, 19,609,721.04 and 9,317,978.08 is: 12,859,987.46
Step by Step Solution
- Step 1: Write the proportion equation
14,208,641.44 : 19,609,721.04 = 9,317,978.08 : x - Step 2: Convert to fraction form
14,208,641.44/19,609,721.04 = 9,317,978.08/x - Step 3: Cross multiply
14,208,641.44x = 19,609,721.04 × 9,317,978.08 - Step 4: Simplify right side
14,208,641.44x = 182,722,950,805,634.78 - Step 5: Solve for x
x = 182,722,950,805,634.78/14,208,641.44 - Step 6: Final answer
x = 12,859,987.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.