Finding the Fourth Proportional to 16,173,604.20, 22,319,681.70 and 8,831,488.32
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Solution
The fourth proportional to 16,173,604.20, 22,319,681.70 and 8,831,488.32 is: 12,187,512.80
Step by Step Solution
- Step 1: Write the proportion equation
16,173,604.20 : 22,319,681.70 = 8,831,488.32 : x - Step 2: Convert to fraction form
16,173,604.20/22,319,681.70 = 8,831,488.32/x - Step 3: Cross multiply
16,173,604.20x = 22,319,681.70 × 8,831,488.32 - Step 4: Simplify right side
16,173,604.20x = 197,116,008,239,667.75 - Step 5: Solve for x
x = 197,116,008,239,667.75/16,173,604.20 - Step 6: Final answer
x = 12,187,512.80
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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.