Finding the Fourth Proportional to 20,948,643.04, 31,427,487.41 and 6,376,702.02
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Solution
The fourth proportional to 20,948,643.04, 31,427,487.41 and 6,376,702.02 is: 9,566,429.77
Step by Step Solution
- Step 1: Write the proportion equation
20,948,643.04 : 31,427,487.41 = 6,376,702.02 : x - Step 2: Convert to fraction form
20,948,643.04/31,427,487.41 = 6,376,702.02/x - Step 3: Cross multiply
20,948,643.04x = 31,427,487.41 × 6,376,702.02 - Step 4: Simplify right side
20,948,643.04x = 200,403,722,450,871.56 - Step 5: Solve for x
x = 200,403,722,450,871.56/20,948,643.04 - Step 6: Final answer
x = 9,566,429.77
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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.