Finding the Fourth Proportional to 19,720,015.60, 29,580,023.40 and 6,258,204.40
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Solution
The fourth proportional to 19,720,015.60, 29,580,023.40 and 6,258,204.40 is: 9,387,306.60
Step by Step Solution
- Step 1: Write the proportion equation
19,720,015.60 : 29,580,023.40 = 6,258,204.40 : x - Step 2: Convert to fraction form
19,720,015.60/29,580,023.40 = 6,258,204.40/x - Step 3: Cross multiply
19,720,015.60x = 29,580,023.40 × 6,258,204.40 - Step 4: Simplify right side
19,720,015.60x = 185,117,832,593,982.97 - Step 5: Solve for x
x = 185,117,832,593,982.97/19,720,015.60 - Step 6: Final answer
x = 9,387,306.60
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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.