Finding the Fourth Proportional to 37,778,468.56, 52,134,043.08 and 21,480,943.12
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Solution
The fourth proportional to 37,778,468.56, 52,134,043.08 and 21,480,943.12 is: 29,643,563.03
Step by Step Solution
- Step 1: Write the proportion equation
37,778,468.56 : 52,134,043.08 = 21,480,943.12 : x - Step 2: Convert to fraction form
37,778,468.56/52,134,043.08 = 21,480,943.12/x - Step 3: Cross multiply
37,778,468.56x = 52,134,043.08 × 21,480,943.12 - Step 4: Simplify right side
37,778,468.56x = 1,119,888,414,017,109.62 - Step 5: Solve for x
x = 1,119,888,414,017,109.62/37,778,468.56 - Step 6: Final answer
x = 29,643,563.03
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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.