Finding the Fourth Proportional to 8,129,178.41, 11,221,422.23 and 6,097,897.13
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Solution
The fourth proportional to 8,129,178.41, 11,221,422.23 and 6,097,897.13 is: 8,417,465.45
Step by Step Solution
- Step 1: Write the proportion equation
8,129,178.41 : 11,221,422.23 = 6,097,897.13 : x - Step 2: Convert to fraction form
8,129,178.41/11,221,422.23 = 6,097,897.13/x - Step 3: Cross multiply
8,129,178.41x = 11,221,422.23 × 6,097,897.13 - Step 4: Simplify right side
8,129,178.41x = 68,427,078,380,345.71 - Step 5: Solve for x
x = 68,427,078,380,345.71/8,129,178.41 - Step 6: Final answer
x = 8,417,465.45
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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.