Finding the Fourth Proportional to 17,891,748.68, 24,689,961.30 and 9,742,807.88
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Solution
The fourth proportional to 17,891,748.68, 24,689,961.30 and 9,742,807.88 is: 13,444,719.90
Step by Step Solution
- Step 1: Write the proportion equation
17,891,748.68 : 24,689,961.30 = 9,742,807.88 : x - Step 2: Convert to fraction form
17,891,748.68/24,689,961.30 = 9,742,807.88/x - Step 3: Cross multiply
17,891,748.68x = 24,689,961.30 × 9,742,807.88 - Step 4: Simplify right side
17,891,748.68x = 240,549,549,510,535.06 - Step 5: Solve for x
x = 240,549,549,510,535.06/17,891,748.68 - Step 6: Final answer
x = 13,444,719.90
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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.