Finding the Fourth Proportional to 13,130,547.41, 19,696,765.80 and 5,043,523.40
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Solution
The fourth proportional to 13,130,547.41, 19,696,765.80 and 5,043,523.40 is: 7,565,647.95
Step by Step Solution
- Step 1: Write the proportion equation
13,130,547.41 : 19,696,765.80 = 5,043,523.40 : x - Step 2: Convert to fraction form
13,130,547.41/19,696,765.80 = 5,043,523.40/x - Step 3: Cross multiply
13,130,547.41x = 19,696,765.80 × 5,043,523.40 - Step 4: Simplify right side
13,130,547.41x = 99,341,099,127,144.98 - Step 5: Solve for x
x = 99,341,099,127,144.98/13,130,547.41 - Step 6: Final answer
x = 7,565,647.95
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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.