Finding the Fourth Proportional to 7,136,509.08, 9,848,132.06 and 3,873,258.13
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Solution
The fourth proportional to 7,136,509.08, 9,848,132.06 and 3,873,258.13 is: 5,344,960.28
Step by Step Solution
- Step 1: Write the proportion equation
7,136,509.08 : 9,848,132.06 = 3,873,258.13 : x - Step 2: Convert to fraction form
7,136,509.08/9,848,132.06 = 3,873,258.13/x - Step 3: Cross multiply
7,136,509.08x = 9,848,132.06 × 3,873,258.13 - Step 4: Simplify right side
7,136,509.08x = 38,144,357,566,708.65 - Step 5: Solve for x
x = 38,144,357,566,708.65/7,136,509.08 - Step 6: Final answer
x = 5,344,960.28
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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.