Finding the Fourth Proportional to 42,053,202.54, 63,079,382.88 and 13,299,343.02
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Solution
The fourth proportional to 42,053,202.54, 63,079,382.88 and 13,299,343.02 is: 19,948,881.41
Step by Step Solution
- Step 1: Write the proportion equation
42,053,202.54 : 63,079,382.88 = 13,299,343.02 : x - Step 2: Convert to fraction form
42,053,202.54/63,079,382.88 = 13,299,343.02/x - Step 3: Cross multiply
42,053,202.54x = 63,079,382.88 × 13,299,343.02 - Step 4: Simplify right side
42,053,202.54x = 838,914,350,411,035.50 - Step 5: Solve for x
x = 838,914,350,411,035.50/42,053,202.54 - Step 6: Final answer
x = 19,948,881.41
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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.