Finding the Fourth Proportional to 28,670,168.62, 39,564,886.35 and 17,068,133.62
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Solution
The fourth proportional to 28,670,168.62, 39,564,886.35 and 17,068,133.62 is: 23,554,056.34
Step by Step Solution
- Step 1: Write the proportion equation
28,670,168.62 : 39,564,886.35 = 17,068,133.62 : x - Step 2: Convert to fraction form
28,670,168.62/39,564,886.35 = 17,068,133.62/x - Step 3: Cross multiply
28,670,168.62x = 39,564,886.35 × 17,068,133.62 - Step 4: Simplify right side
28,670,168.62x = 675,298,766,881,914.12 - Step 5: Solve for x
x = 675,298,766,881,914.12/28,670,168.62 - Step 6: Final answer
x = 23,554,056.34
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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.