Finding the Fourth Proportional to 7,224,908.32, 10,829,776.56 and 2,430,933.28
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Solution
The fourth proportional to 7,224,908.32, 10,829,776.56 and 2,430,933.28 is: 3,643,847.52
Step by Step Solution
- Step 1: Write the proportion equation
7,224,908.32 : 10,829,776.56 = 2,430,933.28 : x - Step 2: Convert to fraction form
7,224,908.32/10,829,776.56 = 2,430,933.28/x - Step 3: Cross multiply
7,224,908.32x = 10,829,776.56 × 2,430,933.28 - Step 4: Simplify right side
7,224,908.32x = 26,326,464,254,667.91 - Step 5: Solve for x
x = 26,326,464,254,667.91/7,224,908.32 - Step 6: Final answer
x = 3,643,847.52
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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.