Finding the Fourth Proportional to 7,399,632.93, 10,211,534.40 and 4,136,585.19
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Solution
The fourth proportional to 7,399,632.93, 10,211,534.40 and 4,136,585.19 is: 5,708,510.46
Step by Step Solution
- Step 1: Write the proportion equation
7,399,632.93 : 10,211,534.40 = 4,136,585.19 : x - Step 2: Convert to fraction form
7,399,632.93/10,211,534.40 = 4,136,585.19/x - Step 3: Cross multiply
7,399,632.93x = 10,211,534.40 × 4,136,585.19 - Step 4: Simplify right side
7,399,632.93x = 42,240,881,966,215.54 - Step 5: Solve for x
x = 42,240,881,966,215.54/7,399,632.93 - Step 6: Final answer
x = 5,708,510.46
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1.5x scale
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.