Finding the Fourth Proportional to 26,115,073.23, 39,121,530.74 and 21,510,669.54
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Solution
The fourth proportional to 26,115,073.23, 39,121,530.74 and 21,510,669.54 is: 32,223,931.07
Step by Step Solution
- Step 1: Write the proportion equation
26,115,073.23 : 39,121,530.74 = 21,510,669.54 : x - Step 2: Convert to fraction form
26,115,073.23/39,121,530.74 = 21,510,669.54/x - Step 3: Cross multiply
26,115,073.23x = 39,121,530.74 × 21,510,669.54 - Step 4: Simplify right side
26,115,073.23x = 841,530,319,647,091.62 - Step 5: Solve for x
x = 841,530,319,647,091.62/26,115,073.23 - Step 6: Final answer
x = 32,223,931.07
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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.