Finding the Fourth Proportional to 16,878,765.48, 25,315,122.66 and 4,745,318.76
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Solution
The fourth proportional to 16,878,765.48, 25,315,122.66 and 4,745,318.76 is: 7,117,127.53
Step by Step Solution
- Step 1: Write the proportion equation
16,878,765.48 : 25,315,122.66 = 4,745,318.76 : x - Step 2: Convert to fraction form
16,878,765.48/25,315,122.66 = 4,745,318.76/x - Step 3: Cross multiply
16,878,765.48x = 25,315,122.66 × 4,745,318.76 - Step 4: Simplify right side
16,878,765.48x = 120,128,326,470,199.09 - Step 5: Solve for x
x = 120,128,326,470,199.09/16,878,765.48 - Step 6: Final answer
x = 7,117,127.53
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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.