Finding the Fourth Proportional to 7,615,525.84, 10,509,698.68 and 4,177,868.04
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Solution
The fourth proportional to 7,615,525.84, 10,509,698.68 and 4,177,868.04 is: 5,765,607.67
Step by Step Solution
- Step 1: Write the proportion equation
7,615,525.84 : 10,509,698.68 = 4,177,868.04 : x - Step 2: Convert to fraction form
7,615,525.84/10,509,698.68 = 4,177,868.04/x - Step 3: Cross multiply
7,615,525.84x = 10,509,698.68 × 4,177,868.04 - Step 4: Simplify right side
7,615,525.84x = 43,908,134,225,202.19 - Step 5: Solve for x
x = 43,908,134,225,202.19/7,615,525.84 - Step 6: Final answer
x = 5,765,607.67
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1.5x scale
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.