Finding the Fourth Proportional to 19,603,373.44, 29,378,564.52 and 7,466,215.90
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Solution
The fourth proportional to 19,603,373.44, 29,378,564.52 and 7,466,215.90 is: 11,189,232.62
Step by Step Solution
- Step 1: Write the proportion equation
19,603,373.44 : 29,378,564.52 = 7,466,215.90 : x - Step 2: Convert to fraction form
19,603,373.44/29,378,564.52 = 7,466,215.90/x - Step 3: Cross multiply
19,603,373.44x = 29,378,564.52 × 7,466,215.90 - Step 4: Simplify right side
19,603,373.44x = 219,346,705,538,399.88 - Step 5: Solve for x
x = 219,346,705,538,399.88/19,603,373.44 - Step 6: Final answer
x = 11,189,232.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.