Finding the Fourth Proportional to 13,303,886.70, 19,955,830.04 and 3,206,507.70
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Solution
The fourth proportional to 13,303,886.70, 19,955,830.04 and 3,206,507.70 is: 4,809,761.55
Step by Step Solution
- Step 1: Write the proportion equation
13,303,886.70 : 19,955,830.04 = 3,206,507.70 : x - Step 2: Convert to fraction form
13,303,886.70/19,955,830.04 = 3,206,507.70/x - Step 3: Cross multiply
13,303,886.70x = 19,955,830.04 × 3,206,507.70 - Step 4: Simplify right side
13,303,886.70x = 63,988,522,683,151.31 - Step 5: Solve for x
x = 63,988,522,683,151.31/13,303,886.70 - Step 6: Final answer
x = 4,809,761.55
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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.