Finding the Fourth Proportional to 38,605,646.16, 57,908,432.16 and 9,851,781.60
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Solution
The fourth proportional to 38,605,646.16, 57,908,432.16 and 9,851,781.60 is: 14,777,662.94
Step by Step Solution
- Step 1: Write the proportion equation
38,605,646.16 : 57,908,432.16 = 9,851,781.60 : x - Step 2: Convert to fraction form
38,605,646.16/57,908,432.16 = 9,851,781.60/x - Step 3: Cross multiply
38,605,646.16x = 57,908,432.16 × 9,851,781.60 - Step 4: Simplify right side
38,605,646.16x = 570,501,226,438,736.25 - Step 5: Solve for x
x = 570,501,226,438,736.25/38,605,646.16 - Step 6: Final answer
x = 14,777,662.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.