Finding the Fourth Proportional to 20,843,026.68, 31,243,851 and 9,894,029.88
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Solution
The fourth proportional to 20,843,026.68, 31,243,851 and 9,894,029.88 is: 14,831,223.90
Step by Step Solution
- Step 1: Write the proportion equation
20,843,026.68 : 31,243,851 = 9,894,029.88 : x - Step 2: Convert to fraction form
20,843,026.68/31,243,851 = 9,894,029.88/x - Step 3: Cross multiply
20,843,026.68x = 31,243,851 × 9,894,029.88 - Step 4: Simplify right side
20,843,026.68x = 309,127,595,360,267.88 - Step 5: Solve for x
x = 309,127,595,360,267.88/20,843,026.68 - Step 6: Final answer
x = 14,831,223.90
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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.