Finding the Fourth Proportional to 9,779,727.24, 13,495,348.53 and 5,428,471.05
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Solution
The fourth proportional to 9,779,727.24, 13,495,348.53 and 5,428,471.05 is: 7,490,915.34
Step by Step Solution
- Step 1: Write the proportion equation
9,779,727.24 : 13,495,348.53 = 5,428,471.05 : x - Step 2: Convert to fraction form
9,779,727.24/13,495,348.53 = 5,428,471.05/x - Step 3: Cross multiply
9,779,727.24x = 13,495,348.53 × 5,428,471.05 - Step 4: Simplify right side
9,779,727.24x = 73,259,108,804,765.05 - Step 5: Solve for x
x = 73,259,108,804,765.05/9,779,727.24 - Step 6: Final answer
x = 7,490,915.34
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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.