Finding the Fourth Proportional to 7,031,572.36, 10,547,764.50 and 2,713,644.99
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Solution
The fourth proportional to 7,031,572.36, 10,547,764.50 and 2,713,644.99 is: 4,070,624.15
Step by Step Solution
- Step 1: Write the proportion equation
7,031,572.36 : 10,547,764.50 = 2,713,644.99 : x - Step 2: Convert to fraction form
7,031,572.36/10,547,764.50 = 2,713,644.99/x - Step 3: Cross multiply
7,031,572.36x = 10,547,764.50 × 2,713,644.99 - Step 4: Simplify right side
7,031,572.36x = 28,622,888,264,111.46 - Step 5: Solve for x
x = 28,622,888,264,111.46/7,031,572.36 - Step 6: Final answer
x = 4,070,624.15
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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.