Finding the Fourth Proportional to 19,996,554.16, 27,595,107.40 and 10,828,987.12
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Solution
The fourth proportional to 19,996,554.16, 27,595,107.40 and 10,828,987.12 is: 14,943,927.85
Step by Step Solution
- Step 1: Write the proportion equation
19,996,554.16 : 27,595,107.40 = 10,828,987.12 : x - Step 2: Convert to fraction form
19,996,554.16/27,595,107.40 = 10,828,987.12/x - Step 3: Cross multiply
19,996,554.16x = 27,595,107.40 × 10,828,987.12 - Step 4: Simplify right side
19,996,554.16x = 298,827,062,609,616.62 - Step 5: Solve for x
x = 298,827,062,609,616.62/19,996,554.16 - Step 6: Final answer
x = 14,943,927.85
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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.