Finding the Fourth Proportional to 16,171,637.80, 22,316,875.14 and 8,928,294.44
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Solution
The fourth proportional to 16,171,637.80, 22,316,875.14 and 8,928,294.44 is: 12,321,054.60
Step by Step Solution
- Step 1: Write the proportion equation
16,171,637.80 : 22,316,875.14 = 8,928,294.44 : x - Step 2: Convert to fraction form
16,171,637.80/22,316,875.14 = 8,928,294.44/x - Step 3: Cross multiply
16,171,637.80x = 22,316,875.14 × 8,928,294.44 - Step 4: Simplify right side
16,171,637.80x = 199,251,632,230,636.22 - Step 5: Solve for x
x = 199,251,632,230,636.22/16,171,637.80 - Step 6: Final answer
x = 12,321,054.60
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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.