Finding the Fourth Proportional to 40,956,901.28, 61,444,515.36 and 15,398,132.16
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Solution
The fourth proportional to 40,956,901.28, 61,444,515.36 and 15,398,132.16 is: 23,100,643.32
Step by Step Solution
- Step 1: Write the proportion equation
40,956,901.28 : 61,444,515.36 = 15,398,132.16 : x - Step 2: Convert to fraction form
40,956,901.28/61,444,515.36 = 15,398,132.16/x - Step 3: Cross multiply
40,956,901.28x = 61,444,515.36 × 15,398,132.16 - Step 4: Simplify right side
40,956,901.28x = 946,130,768,020,430 - Step 5: Solve for x
x = 946,130,768,020,430/40,956,901.28 - Step 6: Final answer
x = 23,100,643.32
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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.