Finding the Fourth Proportional to 20,764,425.74, 31,153,292.35 and 14,539,013.19
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Solution
The fourth proportional to 20,764,425.74, 31,153,292.35 and 14,539,013.19 is: 21,813,178.66
Step by Step Solution
- Step 1: Write the proportion equation
20,764,425.74 : 31,153,292.35 = 14,539,013.19 : x - Step 2: Convert to fraction form
20,764,425.74/31,153,292.35 = 14,539,013.19/x - Step 3: Cross multiply
20,764,425.74x = 31,153,292.35 × 14,539,013.19 - Step 4: Simplify right side
20,764,425.74x = 452,938,128,352,228.56 - Step 5: Solve for x
x = 452,938,128,352,228.56/20,764,425.74 - Step 6: Final answer
x = 21,813,178.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.