Finding the Fourth Proportional to 7,318,683.84, 10,099,510.74 and 4,221,334.14
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Solution
The fourth proportional to 7,318,683.84, 10,099,510.74 and 4,221,334.14 is: 5,825,283.67
Step by Step Solution
- Step 1: Write the proportion equation
7,318,683.84 : 10,099,510.74 = 4,221,334.14 : x - Step 2: Convert to fraction form
7,318,683.84/10,099,510.74 = 4,221,334.14/x - Step 3: Cross multiply
7,318,683.84x = 10,099,510.74 × 4,221,334.14 - Step 4: Simplify right side
7,318,683.84x = 42,633,409,484,058.66 - Step 5: Solve for x
x = 42,633,409,484,058.66/7,318,683.84 - Step 6: Final answer
x = 5,825,283.67
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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.