Finding the Fourth Proportional to 31,931,684.69, 47,927,808.50 and 19,764,342.99
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Solution
The fourth proportional to 31,931,684.69, 47,927,808.50 and 19,764,342.99 is: 29,665,257.41
Step by Step Solution
- Step 1: Write the proportion equation
31,931,684.69 : 47,927,808.50 = 19,764,342.99 : x - Step 2: Convert to fraction form
31,931,684.69/47,927,808.50 = 19,764,342.99/x - Step 3: Cross multiply
31,931,684.69x = 47,927,808.50 × 19,764,342.99 - Step 4: Simplify right side
31,931,684.69x = 947,261,645,854,215.62 - Step 5: Solve for x
x = 947,261,645,854,215.62/31,931,684.69 - Step 6: Final answer
x = 29,665,257.41
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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.