Finding the Fourth Proportional to 16,487,938.80, 24,720,098.40 and 6,898,381.20
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Solution
The fourth proportional to 16,487,938.80, 24,720,098.40 and 6,898,381.20 is: 10,342,630.70
Step by Step Solution
- Step 1: Write the proportion equation
16,487,938.80 : 24,720,098.40 = 6,898,381.20 : x - Step 2: Convert to fraction form
16,487,938.80/24,720,098.40 = 6,898,381.20/x - Step 3: Cross multiply
16,487,938.80x = 24,720,098.40 × 6,898,381.20 - Step 4: Simplify right side
16,487,938.80x = 170,528,662,064,710.06 - Step 5: Solve for x
x = 170,528,662,064,710.06/16,487,938.80 - Step 6: Final answer
x = 10,342,630.70
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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.