Finding the Fourth Proportional to 19,487,220.70, 29,230,831.05 and 6,024,027.10
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Solution
The fourth proportional to 19,487,220.70, 29,230,831.05 and 6,024,027.10 is: 9,036,040.65
Step by Step Solution
- Step 1: Write the proportion equation
19,487,220.70 : 29,230,831.05 = 6,024,027.10 : x - Step 2: Convert to fraction form
19,487,220.70/29,230,831.05 = 6,024,027.10/x - Step 3: Cross multiply
19,487,220.70x = 29,230,831.05 × 6,024,027.10 - Step 4: Simplify right side
19,487,220.70x = 176,087,318,400,721.44 - Step 5: Solve for x
x = 176,087,318,400,721.44/19,487,220.70 - Step 6: Final answer
x = 9,036,040.65
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Double scale
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Similar ratio
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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.