Finding the Fourth Proportional to 15,110,823.66, 22,672,913.13 and 7,920,638.34
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Solution
The fourth proportional to 15,110,823.66, 22,672,913.13 and 7,920,638.34 is: 11,884,457.73
Step by Step Solution
- Step 1: Write the proportion equation
15,110,823.66 : 22,672,913.13 = 7,920,638.34 : x - Step 2: Convert to fraction form
15,110,823.66/22,672,913.13 = 7,920,638.34/x - Step 3: Cross multiply
15,110,823.66x = 22,672,913.13 × 7,920,638.34 - Step 4: Simplify right side
15,110,823.66x = 179,583,945,016,967.41 - Step 5: Solve for x
x = 179,583,945,016,967.41/15,110,823.66 - Step 6: Final answer
x = 11,884,457.73
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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.