Finding the Fourth Proportional to 20,141,763.08, 27,795,256.25 and 11,201,421.29
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Solution
The fourth proportional to 20,141,763.08, 27,795,256.25 and 11,201,421.29 is: 15,457,751.82
Step by Step Solution
- Step 1: Write the proportion equation
20,141,763.08 : 27,795,256.25 = 11,201,421.29 : x - Step 2: Convert to fraction form
20,141,763.08/27,795,256.25 = 11,201,421.29/x - Step 3: Cross multiply
20,141,763.08x = 27,795,256.25 × 11,201,421.29 - Step 4: Simplify right side
20,141,763.08x = 311,346,374,924,772.19 - Step 5: Solve for x
x = 311,346,374,924,772.19/20,141,763.08 - Step 6: Final answer
x = 15,457,751.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.