Finding the Fourth Proportional to 10,102,434.68, 15,153,783.21 and 3,370,848.68
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Solution
The fourth proportional to 10,102,434.68, 15,153,783.21 and 3,370,848.68 is: 5,056,316.80
Step by Step Solution
- Step 1: Write the proportion equation
10,102,434.68 : 15,153,783.21 = 3,370,848.68 : x - Step 2: Convert to fraction form
10,102,434.68/15,153,783.21 = 3,370,848.68/x - Step 3: Cross multiply
10,102,434.68x = 15,153,783.21 × 3,370,848.68 - Step 4: Simplify right side
10,102,434.68x = 51,081,110,168,319.12 - Step 5: Solve for x
x = 51,081,110,168,319.12/10,102,434.68 - Step 6: Final answer
x = 5,056,316.80
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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.