Finding the Fourth Proportional to 42,053,115.02, 63,079,252.14 and 13,299,255.50
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Solution
The fourth proportional to 42,053,115.02, 63,079,252.14 and 13,299,255.50 is: 19,948,750.30
Step by Step Solution
- Step 1: Write the proportion equation
42,053,115.02 : 63,079,252.14 = 13,299,255.50 : x - Step 2: Convert to fraction form
42,053,115.02/63,079,252.14 = 13,299,255.50/x - Step 3: Cross multiply
42,053,115.02x = 63,079,252.14 × 13,299,255.50 - Step 4: Simplify right side
42,053,115.02x = 838,907,090,958,781.75 - Step 5: Solve for x
x = 838,907,090,958,781.75/42,053,115.02 - Step 6: Final answer
x = 19,948,750.30
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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.