Finding the Fourth Proportional to 56,634,368.30, 84,984,730.05 and 20,736,205.10
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Solution
The fourth proportional to 56,634,368.30, 84,984,730.05 and 20,736,205.10 is: 31,116,455.35
Step by Step Solution
- Step 1: Write the proportion equation
56,634,368.30 : 84,984,730.05 = 20,736,205.10 : x - Step 2: Convert to fraction form
56,634,368.30/84,984,730.05 = 20,736,205.10/x - Step 3: Cross multiply
56,634,368.30x = 84,984,730.05 × 20,736,205.10 - Step 4: Simplify right side
56,634,368.30x = 1,762,260,792,684,933.25 - Step 5: Solve for x
x = 1,762,260,792,684,933.25/56,634,368.30 - Step 6: Final answer
x = 31,116,455.35
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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.