Finding the Fourth Proportional to 13,119,084, 18,103,461.12 and 7,537,510.08
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Solution
The fourth proportional to 13,119,084, 18,103,461.12 and 7,537,510.08 is: 10,401,261.30
Step by Step Solution
- Step 1: Write the proportion equation
13,119,084 : 18,103,461.12 = 7,537,510.08 : x - Step 2: Convert to fraction form
13,119,084/18,103,461.12 = 7,537,510.08/x - Step 3: Cross multiply
13,119,084x = 18,103,461.12 × 7,537,510.08 - Step 4: Simplify right side
13,119,084x = 136,455,020,674,888.09 - Step 5: Solve for x
x = 136,455,020,674,888.09/13,119,084 - Step 6: Final answer
x = 10,401,261.30
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1.5x scale
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.