Finding the Fourth Proportional to 11,185,652.61, 15,433,886.00 and 6,538,539.38
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Solution
The fourth proportional to 11,185,652.61, 15,433,886.00 and 6,538,539.38 is: 9,021,831.35
Step by Step Solution
- Step 1: Write the proportion equation
11,185,652.61 : 15,433,886.00 = 6,538,539.38 : x - Step 2: Convert to fraction form
11,185,652.61/15,433,886.00 = 6,538,539.38/x - Step 3: Cross multiply
11,185,652.61x = 15,433,886.00 × 6,538,539.38 - Step 4: Simplify right side
11,185,652.61x = 100,915,071,336,607.59 - Step 5: Solve for x
x = 100,915,071,336,607.59/11,185,652.61 - Step 6: Final answer
x = 9,021,831.35
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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.