Finding the Fourth Proportional to 51,637,373.84, 71,260,853.74 and 28,117,200
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Solution
The fourth proportional to 51,637,373.84, 71,260,853.74 and 28,117,200 is: 38,802,431.80
Step by Step Solution
- Step 1: Write the proportion equation
51,637,373.84 : 71,260,853.74 = 28,117,200 : x - Step 2: Convert to fraction form
51,637,373.84/71,260,853.74 = 28,117,200/x - Step 3: Cross multiply
51,637,373.84x = 71,260,853.74 × 28,117,200 - Step 4: Simplify right side
51,637,373.84x = 2,003,655,676,778,327.75 - Step 5: Solve for x
x = 2,003,655,676,778,327.75/51,637,373.84 - Step 6: Final answer
x = 38,802,431.80
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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.