Finding the Fourth Proportional to 10,781,557.26, 14,878,756.18 and 5,886,973.34
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Solution
The fourth proportional to 10,781,557.26, 14,878,756.18 and 5,886,973.34 is: 8,124,136.32
Step by Step Solution
- Step 1: Write the proportion equation
10,781,557.26 : 14,878,756.18 = 5,886,973.34 : x - Step 2: Convert to fraction form
10,781,557.26/14,878,756.18 = 5,886,973.34/x - Step 3: Cross multiply
10,781,557.26x = 14,878,756.18 × 5,886,973.34 - Step 4: Simplify right side
10,781,557.26x = 87,590,840,964,020.23 - Step 5: Solve for x
x = 87,590,840,964,020.23/10,781,557.26 - Step 6: Final answer
x = 8,124,136.32
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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.