Finding the Fourth Proportional to 14,283,890.08, 19,712,153.28 and 8,403,934.72
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Solution
The fourth proportional to 14,283,890.08, 19,712,153.28 and 8,403,934.72 is: 11,597,656.41
Step by Step Solution
- Step 1: Write the proportion equation
14,283,890.08 : 19,712,153.28 = 8,403,934.72 : x - Step 2: Convert to fraction form
14,283,890.08/19,712,153.28 = 8,403,934.72/x - Step 3: Cross multiply
14,283,890.08x = 19,712,153.28 × 8,403,934.72 - Step 4: Simplify right side
14,283,890.08x = 165,659,649,355,753.91 - Step 5: Solve for x
x = 165,659,649,355,753.91/14,283,890.08 - Step 6: Final answer
x = 11,597,656.41
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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.