Finding the Fourth Proportional to 39,353,415.06, 54,307,807.65 and 21,950,887.44
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Solution
The fourth proportional to 39,353,415.06, 54,307,807.65 and 21,950,887.44 is: 30,292,277.58
Step by Step Solution
- Step 1: Write the proportion equation
39,353,415.06 : 54,307,807.65 = 21,950,887.44 : x - Step 2: Convert to fraction form
39,353,415.06/54,307,807.65 = 21,950,887.44/x - Step 3: Cross multiply
39,353,415.06x = 54,307,807.65 × 21,950,887.44 - Step 4: Simplify right side
39,353,415.06x = 1,192,104,572,838,321 - Step 5: Solve for x
x = 1,192,104,572,838,321/39,353,415.06 - Step 6: Final answer
x = 30,292,277.58
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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.