Finding the Fourth Proportional to 13,948,970.97, 19,249,811.87 and 7,669,763.49
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Solution
The fourth proportional to 13,948,970.97, 19,249,811.87 and 7,669,763.49 is: 10,584,401.14
Step by Step Solution
- Step 1: Write the proportion equation
13,948,970.97 : 19,249,811.87 = 7,669,763.49 : x - Step 2: Convert to fraction form
13,948,970.97/19,249,811.87 = 7,669,763.49/x - Step 3: Cross multiply
13,948,970.97x = 19,249,811.87 × 7,669,763.49 - Step 4: Simplify right side
13,948,970.97x = 147,641,504,192,819.97 - Step 5: Solve for x
x = 147,641,504,192,819.97/13,948,970.97 - Step 6: Final answer
x = 10,584,401.14
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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.