Finding the Fourth Proportional to 10,485,626.18, 15,708,288.79 and 6,430,288.48
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Solution
The fourth proportional to 10,485,626.18, 15,708,288.79 and 6,430,288.48 is: 9,633,075.48
Step by Step Solution
- Step 1: Write the proportion equation
10,485,626.18 : 15,708,288.79 = 6,430,288.48 : x - Step 2: Convert to fraction form
10,485,626.18/15,708,288.79 = 6,430,288.48/x - Step 3: Cross multiply
10,485,626.18x = 15,708,288.79 × 6,430,288.48 - Step 4: Simplify right side
10,485,626.18x = 101,008,828,415,617.28 - Step 5: Solve for x
x = 101,008,828,415,617.28/10,485,626.18 - Step 6: Final answer
x = 9,633,075.48
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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.