Finding the Fourth Proportional to 52,053,848.21, 71,834,317.20 and 28,850,473.19
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Solution
The fourth proportional to 52,053,848.21, 71,834,317.20 and 28,850,473.19 is: 39,813,656.70
Step by Step Solution
- Step 1: Write the proportion equation
52,053,848.21 : 71,834,317.20 = 28,850,473.19 : x - Step 2: Convert to fraction form
52,053,848.21/71,834,317.20 = 28,850,473.19/x - Step 3: Cross multiply
52,053,848.21x = 71,834,317.20 × 28,850,473.19 - Step 4: Simplify right side
52,053,848.21x = 2,072,454,042,141,384.25 - Step 5: Solve for x
x = 2,072,454,042,141,384.25/52,053,848.21 - Step 6: Final answer
x = 39,813,656.70
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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.