Finding the Fourth Proportional to 32,258,237.20, 48,387,355.80 and 18,653,347.60
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Solution
The fourth proportional to 32,258,237.20, 48,387,355.80 and 18,653,347.60 is: 27,980,021.40
Step by Step Solution
- Step 1: Write the proportion equation
32,258,237.20 : 48,387,355.80 = 18,653,347.60 : x - Step 2: Convert to fraction form
32,258,237.20/48,387,355.80 = 18,653,347.60/x - Step 3: Cross multiply
32,258,237.20x = 48,387,355.80 × 18,653,347.60 - Step 4: Simplify right side
32,258,237.20x = 902,586,167,182,276.12 - Step 5: Solve for x
x = 902,586,167,182,276.12/32,258,237.20 - Step 6: Final answer
x = 27,980,021.40
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1.5x scale
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.