Finding the Fourth Proportional to 19,422,698.82, 26,803,326.98 and 10,720,873.68
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Solution
The fourth proportional to 19,422,698.82, 26,803,326.98 and 10,720,873.68 is: 14,794,807.12
Step by Step Solution
- Step 1: Write the proportion equation
19,422,698.82 : 26,803,326.98 = 10,720,873.68 : x - Step 2: Convert to fraction form
19,422,698.82/26,803,326.98 = 10,720,873.68/x - Step 3: Cross multiply
19,422,698.82x = 26,803,326.98 × 10,720,873.68 - Step 4: Simplify right side
19,422,698.82x = 287,355,082,756,315.88 - Step 5: Solve for x
x = 287,355,082,756,315.88/19,422,698.82 - Step 6: Final answer
x = 14,794,807.12
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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.