Finding the Fourth Proportional to 51,307,987.14, 70,804,913.94 and 27,786,448.98
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Solution
The fourth proportional to 51,307,987.14, 70,804,913.94 and 27,786,448.98 is: 38,345,240.93
Step by Step Solution
- Step 1: Write the proportion equation
51,307,987.14 : 70,804,913.94 = 27,786,448.98 : x - Step 2: Convert to fraction form
51,307,987.14/70,804,913.94 = 27,786,448.98/x - Step 3: Cross multiply
51,307,987.14x = 70,804,913.94 × 27,786,448.98 - Step 4: Simplify right side
51,307,987.14x = 1,967,417,128,727,100.75 - Step 5: Solve for x
x = 1,967,417,128,727,100.75/51,307,987.14 - Step 6: Final answer
x = 38,345,240.93
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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.