Finding the Fourth Proportional to 13,997,949.68, 19,317,170.40 and 7,559,421.68
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Solution
The fourth proportional to 13,997,949.68, 19,317,170.40 and 7,559,421.68 is: 10,432,001.83
Step by Step Solution
- Step 1: Write the proportion equation
13,997,949.68 : 19,317,170.40 = 7,559,421.68 : x - Step 2: Convert to fraction form
13,997,949.68/19,317,170.40 = 7,559,421.68/x - Step 3: Cross multiply
13,997,949.68x = 19,317,170.40 × 7,559,421.68 - Step 4: Simplify right side
13,997,949.68x = 146,026,636,718,014.25 - Step 5: Solve for x
x = 146,026,636,718,014.25/13,997,949.68 - Step 6: Final answer
x = 10,432,001.83
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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.