Finding the Fourth Proportional to 29,181,472.08, 40,249,546.40 and 20,481,586.08
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Solution
The fourth proportional to 29,181,472.08, 40,249,546.40 and 20,481,586.08 is: 28,249,930.20
Step by Step Solution
- Step 1: Write the proportion equation
29,181,472.08 : 40,249,546.40 = 20,481,586.08 : x - Step 2: Convert to fraction form
29,181,472.08/40,249,546.40 = 20,481,586.08/x - Step 3: Cross multiply
29,181,472.08x = 40,249,546.40 × 20,481,586.08 - Step 4: Simplify right side
29,181,472.08x = 824,374,549,272,554 - Step 5: Solve for x
x = 824,374,549,272,554/29,181,472.08 - Step 6: Final answer
x = 28,249,930.20
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1.5x scale
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.