Finding the Fourth Proportional to 31,406,794.81, 47,110,208.64 and 9,843,075.96
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Solution
The fourth proportional to 31,406,794.81, 47,110,208.64 and 9,843,075.96 is: 14,764,619.09
Step by Step Solution
- Step 1: Write the proportion equation
31,406,794.81 : 47,110,208.64 = 9,843,075.96 : x - Step 2: Convert to fraction form
31,406,794.81/47,110,208.64 = 9,843,075.96/x - Step 3: Cross multiply
31,406,794.81x = 47,110,208.64 × 9,843,075.96 - Step 4: Simplify right side
31,406,794.81x = 463,709,362,134,968.31 - Step 5: Solve for x
x = 463,709,362,134,968.31/31,406,794.81 - Step 6: Final answer
x = 14,764,619.09
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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.