Finding the Fourth Proportional to 35,478,372.36, 53,209,422.90 and 9,921,177.84
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Solution
The fourth proportional to 35,478,372.36, 53,209,422.90 and 9,921,177.84 is: 14,879,491.71
Step by Step Solution
- Step 1: Write the proportion equation
35,478,372.36 : 53,209,422.90 = 9,921,177.84 : x - Step 2: Convert to fraction form
35,478,372.36/53,209,422.90 = 9,921,177.84/x - Step 3: Cross multiply
35,478,372.36x = 53,209,422.90 × 9,921,177.84 - Step 4: Simplify right side
35,478,372.36x = 527,900,147,354,668.50 - Step 5: Solve for x
x = 527,900,147,354,668.50/35,478,372.36 - Step 6: Final answer
x = 14,879,491.71
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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.