Finding the Fourth Proportional to 19,534,555.80, 26,955,458.64 and 10,830,529.08
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Solution
The fourth proportional to 19,534,555.80, 26,955,458.64 and 10,830,529.08 is: 14,944,894.66
Step by Step Solution
- Step 1: Write the proportion equation
19,534,555.80 : 26,955,458.64 = 10,830,529.08 : x - Step 2: Convert to fraction form
19,534,555.80/26,955,458.64 = 10,830,529.08/x - Step 3: Cross multiply
19,534,555.80x = 26,955,458.64 × 10,830,529.08 - Step 4: Simplify right side
19,534,555.80x = 291,941,878,665,257.25 - Step 5: Solve for x
x = 291,941,878,665,257.25/19,534,555.80 - Step 6: Final answer
x = 14,944,894.66
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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.