Finding the Fourth Proportional to 16,391,607.80, 24,587,411.70 and 7,888,551.80
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Solution
The fourth proportional to 16,391,607.80, 24,587,411.70 and 7,888,551.80 is: 11,832,827.70
Step by Step Solution
- Step 1: Write the proportion equation
16,391,607.80 : 24,587,411.70 = 7,888,551.80 : x - Step 2: Convert to fraction form
16,391,607.80/24,587,411.70 = 7,888,551.80/x - Step 3: Cross multiply
16,391,607.80x = 24,587,411.70 × 7,888,551.80 - Step 4: Simplify right side
16,391,607.80x = 193,959,070,823,376.06 - Step 5: Solve for x
x = 193,959,070,823,376.06/16,391,607.80 - Step 6: Final answer
x = 11,832,827.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.