Finding the Fourth Proportional to 22,781,726.62, 31,438,866.08 and 12,327,743.03
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Solution
The fourth proportional to 22,781,726.62, 31,438,866.08 and 12,327,743.03 is: 17,012,330.48
Step by Step Solution
- Step 1: Write the proportion equation
22,781,726.62 : 31,438,866.08 = 12,327,743.03 : x - Step 2: Convert to fraction form
22,781,726.62/31,438,866.08 = 12,327,743.03/x - Step 3: Cross multiply
22,781,726.62x = 31,438,866.08 × 12,327,743.03 - Step 4: Simplify right side
22,781,726.62x = 387,570,262,062,448.44 - Step 5: Solve for x
x = 387,570,262,062,448.44/22,781,726.62 - Step 6: Final answer
x = 17,012,330.48
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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.