Finding the Fourth Proportional to 10,485,628.93, 15,708,292.91 and 6,430,291.23
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Solution
The fourth proportional to 10,485,628.93, 15,708,292.91 and 6,430,291.23 is: 9,633,079.60
Step by Step Solution
- Step 1: Write the proportion equation
10,485,628.93 : 15,708,292.91 = 6,430,291.23 : x - Step 2: Convert to fraction form
10,485,628.93/15,708,292.91 = 6,430,291.23/x - Step 3: Cross multiply
10,485,628.93x = 15,708,292.91 × 6,430,291.23 - Step 4: Simplify right side
10,485,628.93x = 101,008,898,137,444.19 - Step 5: Solve for x
x = 101,008,898,137,444.19/10,485,628.93 - Step 6: Final answer
x = 9,633,079.60
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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.