Finding the Fourth Proportional to 26,201,928.29, 36,158,804.45 and 15,195,203.90
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Solution
The fourth proportional to 26,201,928.29, 36,158,804.45 and 15,195,203.90 is: 20,969,464.54
Step by Step Solution
- Step 1: Write the proportion equation
26,201,928.29 : 36,158,804.45 = 15,195,203.90 : x - Step 2: Convert to fraction form
26,201,928.29/36,158,804.45 = 15,195,203.90/x - Step 3: Cross multiply
26,201,928.29x = 36,158,804.45 × 15,195,203.90 - Step 4: Simplify right side
26,201,928.29x = 549,440,406,141,207.31 - Step 5: Solve for x
x = 549,440,406,141,207.31/26,201,928.29 - Step 6: Final answer
x = 20,969,464.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.