Finding the Fourth Proportional to 47,159,786.19, 70,739,679.30 and 13,081,132.08
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Solution
The fourth proportional to 47,159,786.19, 70,739,679.30 and 13,081,132.08 is: 19,621,698.12
Step by Step Solution
- Step 1: Write the proportion equation
47,159,786.19 : 70,739,679.30 = 13,081,132.08 : x - Step 2: Convert to fraction form
47,159,786.19/70,739,679.30 = 13,081,132.08/x - Step 3: Cross multiply
47,159,786.19x = 70,739,679.30 × 13,081,132.08 - Step 4: Simplify right side
47,159,786.19x = 925,355,088,220,141.88 - Step 5: Solve for x
x = 925,355,088,220,141.88/47,159,786.19 - Step 6: Final answer
x = 19,621,698.12
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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.