Finding the Fourth Proportional to 17,881,802.40, 26,807,540.40 and 6,515,623.20
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Solution
The fourth proportional to 17,881,802.40, 26,807,540.40 and 6,515,623.20 is: 9,767,909.76
Step by Step Solution
- Step 1: Write the proportion equation
17,881,802.40 : 26,807,540.40 = 6,515,623.20 : x - Step 2: Convert to fraction form
17,881,802.40/26,807,540.40 = 6,515,623.20/x - Step 3: Cross multiply
17,881,802.40x = 26,807,540.40 × 6,515,623.20 - Step 4: Simplify right side
17,881,802.40x = 174,667,832,165,177.28 - Step 5: Solve for x
x = 174,667,832,165,177.28/17,881,802.40 - Step 6: Final answer
x = 9,767,909.76
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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.