Finding the Fourth Proportional to 19,461,359.70, 29,206,580.67 and 7,342,774.74
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Solution
The fourth proportional to 19,461,359.70, 29,206,580.67 and 7,342,774.74 is: 11,019,648.48
Step by Step Solution
- Step 1: Write the proportion equation
19,461,359.70 : 29,206,580.67 = 7,342,774.74 : x - Step 2: Convert to fraction form
19,461,359.70/29,206,580.67 = 7,342,774.74/x - Step 3: Cross multiply
19,461,359.70x = 29,206,580.67 × 7,342,774.74 - Step 4: Simplify right side
19,461,359.70x = 214,457,342,785,448.28 - Step 5: Solve for x
x = 214,457,342,785,448.28/19,461,359.70 - Step 6: Final answer
x = 11,019,648.48
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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.