Finding the Fourth Proportional to 10,178,807.04, 15,267,859.20 and 2,605,838.08
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Solution
The fourth proportional to 10,178,807.04, 15,267,859.20 and 2,605,838.08 is: 3,908,667.17
Step by Step Solution
- Step 1: Write the proportion equation
10,178,807.04 : 15,267,859.20 = 2,605,838.08 : x - Step 2: Convert to fraction form
10,178,807.04/15,267,859.20 = 2,605,838.08/x - Step 3: Cross multiply
10,178,807.04x = 15,267,859.20 × 2,605,838.08 - Step 4: Simplify right side
10,178,807.04x = 39,785,568,903,438.34 - Step 5: Solve for x
x = 39,785,568,903,438.34/10,178,807.04 - Step 6: Final answer
x = 3,908,667.17
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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.