Finding the Fourth Proportional to 26,147,370.24, 36,087,793.92 and 15,134,428.80
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Solution
The fourth proportional to 26,147,370.24, 36,087,793.92 and 15,134,428.80 is: 20,888,071.83
Step by Step Solution
- Step 1: Write the proportion equation
26,147,370.24 : 36,087,793.92 = 15,134,428.80 : x - Step 2: Convert to fraction form
26,147,370.24/36,087,793.92 = 15,134,428.80/x - Step 3: Cross multiply
26,147,370.24x = 36,087,793.92 × 15,134,428.80 - Step 4: Simplify right side
26,147,370.24x = 546,168,147,631,312.94 - Step 5: Solve for x
x = 546,168,147,631,312.94/26,147,370.24 - Step 6: Final answer
x = 20,888,071.83
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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.