Finding the Fourth Proportional to 26,864,153.74, 40,292,294.01 and 13,213,636.03
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Solution
The fourth proportional to 26,864,153.74, 40,292,294.01 and 13,213,636.03 is: 19,818,517.75
Step by Step Solution
- Step 1: Write the proportion equation
26,864,153.74 : 40,292,294.01 = 13,213,636.03 : x - Step 2: Convert to fraction form
26,864,153.74/40,292,294.01 = 13,213,636.03/x - Step 3: Cross multiply
26,864,153.74x = 40,292,294.01 × 13,213,636.03 - Step 4: Simplify right side
26,864,153.74x = 532,407,707,861,889.12 - Step 5: Solve for x
x = 532,407,707,861,889.12/26,864,153.74 - Step 6: Final answer
x = 19,818,517.75
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1.5x scale
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.