Finding the Fourth Proportional to 17,768,869.65, 26,654,931.06 and 4,989,288.24
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Solution
The fourth proportional to 17,768,869.65, 26,654,931.06 and 4,989,288.24 is: 7,484,389.09
Step by Step Solution
- Step 1: Write the proportion equation
17,768,869.65 : 26,654,931.06 = 4,989,288.24 : x - Step 2: Convert to fraction form
17,768,869.65/26,654,931.06 = 4,989,288.24/x - Step 3: Cross multiply
17,768,869.65x = 26,654,931.06 × 4,989,288.24 - Step 4: Simplify right side
17,768,869.65x = 132,989,134,075,668.73 - Step 5: Solve for x
x = 132,989,134,075,668.73/17,768,869.65 - Step 6: Final answer
x = 7,484,389.09
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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.