Finding the Fourth Proportional to 19,248,796.62, 28,872,457.65 and 6,477,140.94
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Solution
The fourth proportional to 19,248,796.62, 28,872,457.65 and 6,477,140.94 is: 9,715,463.32
Step by Step Solution
- Step 1: Write the proportion equation
19,248,796.62 : 28,872,457.65 = 6,477,140.94 : x - Step 2: Convert to fraction form
19,248,796.62/28,872,457.65 = 6,477,140.94/x - Step 3: Cross multiply
19,248,796.62x = 28,872,457.65 × 6,477,140.94 - Step 4: Simplify right side
19,248,796.62x = 187,010,977,483,231.19 - Step 5: Solve for x
x = 187,010,977,483,231.19/19,248,796.62 - Step 6: Final answer
x = 9,715,463.32
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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.