Finding the Fourth Proportional to 19,023,032.50, 28,528,554.74 and 6,240,558.58
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Solution
The fourth proportional to 19,023,032.50, 28,528,554.74 and 6,240,558.58 is: 9,358,871.52
Step by Step Solution
- Step 1: Write the proportion equation
19,023,032.50 : 28,528,554.74 = 6,240,558.58 : x - Step 2: Convert to fraction form
19,023,032.50/28,528,554.74 = 6,240,558.58/x - Step 3: Cross multiply
19,023,032.50x = 28,528,554.74 × 6,240,558.58 - Step 4: Simplify right side
19,023,032.50x = 178,034,117,057,706.66 - Step 5: Solve for x
x = 178,034,117,057,706.66/19,023,032.50 - Step 6: Final answer
x = 9,358,871.52
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1.5x scale
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.