Finding the Fourth Proportional to 16,113,142.62, 22,236,420.51 and 8,771,187.06
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Solution
The fourth proportional to 16,113,142.62, 22,236,420.51 and 8,771,187.06 is: 12,104,392.57
Step by Step Solution
- Step 1: Write the proportion equation
16,113,142.62 : 22,236,420.51 = 8,771,187.06 : x - Step 2: Convert to fraction form
16,113,142.62/22,236,420.51 = 8,771,187.06/x - Step 3: Cross multiply
16,113,142.62x = 22,236,420.51 × 8,771,187.06 - Step 4: Simplify right side
16,113,142.62x = 195,039,803,838,030.62 - Step 5: Solve for x
x = 195,039,803,838,030.62/16,113,142.62 - Step 6: Final answer
x = 12,104,392.57
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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.