Finding the Fourth Proportional to 7,487,434.24, 11,201,600.64 and 5,671,031.64
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Solution
The fourth proportional to 7,487,434.24, 11,201,600.64 and 5,671,031.64 is: 8,484,165.55
Step by Step Solution
- Step 1: Write the proportion equation
7,487,434.24 : 11,201,600.64 = 5,671,031.64 : x - Step 2: Convert to fraction form
7,487,434.24/11,201,600.64 = 5,671,031.64/x - Step 3: Cross multiply
7,487,434.24x = 11,201,600.64 × 5,671,031.64 - Step 4: Simplify right side
7,487,434.24x = 63,524,631,648,084.25 - Step 5: Solve for x
x = 63,524,631,648,084.25/7,487,434.24 - Step 6: Final answer
x = 8,484,165.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.