Finding the Fourth Proportional to 17,815,758.08, 26,742,534.68 and 15,779,636.50
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Solution
The fourth proportional to 17,815,758.08, 26,742,534.68 and 15,779,636.50 is: 23,686,192.55
Step by Step Solution
- Step 1: Write the proportion equation
17,815,758.08 : 26,742,534.68 = 15,779,636.50 : x - Step 2: Convert to fraction form
17,815,758.08/26,742,534.68 = 15,779,636.50/x - Step 3: Cross multiply
17,815,758.08x = 26,742,534.68 × 15,779,636.50 - Step 4: Simplify right side
17,815,758.08x = 421,987,476,339,043.81 - Step 5: Solve for x
x = 421,987,476,339,043.81/17,815,758.08 - Step 6: Final answer
x = 23,686,192.55
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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.