Finding the Fourth Proportional to 21,943,313.71, 32,917,135.69 and 7,564,488.55
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Solution
The fourth proportional to 21,943,313.71, 32,917,135.69 and 7,564,488.55 is: 11,347,479.20
Step by Step Solution
- Step 1: Write the proportion equation
21,943,313.71 : 32,917,135.69 = 7,564,488.55 : x - Step 2: Convert to fraction form
21,943,313.71/32,917,135.69 = 7,564,488.55/x - Step 3: Cross multiply
21,943,313.71x = 32,917,135.69 × 7,564,488.55 - Step 4: Simplify right side
21,943,313.71x = 249,001,295,952,964.12 - Step 5: Solve for x
x = 249,001,295,952,964.12/21,943,313.71 - Step 6: Final answer
x = 11,347,479.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.