Finding the Fourth Proportional to 25,291,730.96, 34,903,434.64 and 15,500,283.08
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Solution
The fourth proportional to 25,291,730.96, 34,903,434.64 and 15,500,283.08 is: 21,390,909.08
Step by Step Solution
- Step 1: Write the proportion equation
25,291,730.96 : 34,903,434.64 = 15,500,283.08 : x - Step 2: Convert to fraction form
25,291,730.96/34,903,434.64 = 15,500,283.08/x - Step 3: Cross multiply
25,291,730.96x = 34,903,434.64 × 15,500,283.08 - Step 4: Simplify right side
25,291,730.96x = 541,013,117,384,277.88 - Step 5: Solve for x
x = 541,013,117,384,277.88/25,291,730.96 - Step 6: Final answer
x = 21,390,909.08
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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.