Finding the Fourth Proportional to 29,138,130.56, 40,209,565.76 and 16,085,109.12
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Solution
The fourth proportional to 29,138,130.56, 40,209,565.76 and 16,085,109.12 is: 22,196,868.52
Step by Step Solution
- Step 1: Write the proportion equation
29,138,130.56 : 40,209,565.76 = 16,085,109.12 : x - Step 2: Convert to fraction form
29,138,130.56/40,209,565.76 = 16,085,109.12/x - Step 3: Cross multiply
29,138,130.56x = 40,209,565.76 × 16,085,109.12 - Step 4: Simplify right side
29,138,130.56x = 646,775,252,917,415.62 - Step 5: Solve for x
x = 646,775,252,917,415.62/29,138,130.56 - Step 6: Final answer
x = 22,196,868.52
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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.