Finding the Fourth Proportional to 26,194,866.40, 39,292,299.60 and 13,440,282.40
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Solution
The fourth proportional to 26,194,866.40, 39,292,299.60 and 13,440,282.40 is: 20,160,423.60
Step by Step Solution
- Step 1: Write the proportion equation
26,194,866.40 : 39,292,299.60 = 13,440,282.40 : x - Step 2: Convert to fraction form
26,194,866.40/39,292,299.60 = 13,440,282.40/x - Step 3: Cross multiply
26,194,866.40x = 39,292,299.60 × 13,440,282.40 - Step 4: Simplify right side
26,194,866.40x = 528,099,602,769,407.06 - Step 5: Solve for x
x = 528,099,602,769,407.06/26,194,866.40 - Step 6: Final answer
x = 20,160,423.60
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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.