Finding the Fourth Proportional to 13,137,377.25, 19,706,602.74 and 4,507,412.07
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Solution
The fourth proportional to 13,137,377.25, 19,706,602.74 and 4,507,412.07 is: 6,761,302.30
Step by Step Solution
- Step 1: Write the proportion equation
13,137,377.25 : 19,706,602.74 = 4,507,412.07 : x - Step 2: Convert to fraction form
13,137,377.25/19,706,602.74 = 4,507,412.07/x - Step 3: Cross multiply
13,137,377.25x = 19,706,602.74 × 4,507,412.07 - Step 4: Simplify right side
13,137,377.25x = 88,825,779,048,971.06 - Step 5: Solve for x
x = 88,825,779,048,971.06/13,137,377.25 - Step 6: Final answer
x = 6,761,302.30
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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.