Finding the Fourth Proportional to 10,557,829.70, 15,868,237.35 and 10,368,872.90
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Solution
The fourth proportional to 10,557,829.70, 15,868,237.35 and 10,368,872.90 is: 15,584,238.51
Step by Step Solution
- Step 1: Write the proportion equation
10,557,829.70 : 15,868,237.35 = 10,368,872.90 : x - Step 2: Convert to fraction form
10,557,829.70/15,868,237.35 = 10,368,872.90/x - Step 3: Cross multiply
10,557,829.70x = 15,868,237.35 × 10,368,872.90 - Step 4: Simplify right side
10,557,829.70x = 164,535,736,229,182.81 - Step 5: Solve for x
x = 164,535,736,229,182.81/10,557,829.70 - Step 6: Final answer
x = 15,584,238.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.