Finding the Fourth Proportional to 35,238,386.61, 48,629,305.20 and 19,768,803.41
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Solution
The fourth proportional to 35,238,386.61, 48,629,305.20 and 19,768,803.41 is: 27,281,134.77
Step by Step Solution
- Step 1: Write the proportion equation
35,238,386.61 : 48,629,305.20 = 19,768,803.41 : x - Step 2: Convert to fraction form
35,238,386.61/48,629,305.20 = 19,768,803.41/x - Step 3: Cross multiply
35,238,386.61x = 48,629,305.20 × 19,768,803.41 - Step 4: Simplify right side
35,238,386.61x = 961,343,174,220,544.38 - Step 5: Solve for x
x = 961,343,174,220,544.38/35,238,386.61 - Step 6: Final answer
x = 27,281,134.77
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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.