Finding the Fourth Proportional to 11,645,296.74, 16,069,853.70 and 6,418,289.07
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Solution
The fourth proportional to 11,645,296.74, 16,069,853.70 and 6,418,289.07 is: 8,856,877.47
Step by Step Solution
- Step 1: Write the proportion equation
11,645,296.74 : 16,069,853.70 = 6,418,289.07 : x - Step 2: Convert to fraction form
11,645,296.74/16,069,853.70 = 6,418,289.07/x - Step 3: Cross multiply
11,645,296.74x = 16,069,853.70 × 6,418,289.07 - Step 4: Simplify right side
11,645,296.74x = 103,140,966,359,209.06 - Step 5: Solve for x
x = 103,140,966,359,209.06/11,645,296.74 - Step 6: Final answer
x = 8,856,877.47
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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.