Finding the Fourth Proportional to 7,615,534.14, 10,509,374.91 and 4,130,864.19
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Solution
The fourth proportional to 7,615,534.14, 10,509,374.91 and 4,130,864.19 is: 5,700,558.84
Step by Step Solution
- Step 1: Write the proportion equation
7,615,534.14 : 10,509,374.91 = 4,130,864.19 : x - Step 2: Convert to fraction form
7,615,534.14/10,509,374.91 = 4,130,864.19/x - Step 3: Cross multiply
7,615,534.14x = 10,509,374.91 × 4,130,864.19 - Step 4: Simplify right side
7,615,534.14x = 43,412,800,475,003.48 - Step 5: Solve for x
x = 43,412,800,475,003.48/7,615,534.14 - Step 6: Final answer
x = 5,700,558.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.