Finding the Fourth Proportional to 28,653,201.60, 39,565,995.03 and 27,726,652.14
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Solution
The fourth proportional to 28,653,201.60, 39,565,995.03 and 27,726,652.14 is: 38,286,562.04
Step by Step Solution
- Step 1: Write the proportion equation
28,653,201.60 : 39,565,995.03 = 27,726,652.14 : x - Step 2: Convert to fraction form
28,653,201.60/39,565,995.03 = 27,726,652.14/x - Step 3: Cross multiply
28,653,201.60x = 39,565,995.03 × 27,726,652.14 - Step 4: Simplify right side
28,653,201.60x = 1,097,032,580,769,778.88 - Step 5: Solve for x
x = 1,097,032,580,769,778.88/28,653,201.60 - Step 6: Final answer
x = 38,286,562.04
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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.