Finding the Fourth Proportional to 14,443,401.84, 19,932,135.36 and 7,828,201.58
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Solution
The fourth proportional to 14,443,401.84, 19,932,135.36 and 7,828,201.58 is: 10,803,048.70
Step by Step Solution
- Step 1: Write the proportion equation
14,443,401.84 : 19,932,135.36 = 7,828,201.58 : x - Step 2: Convert to fraction form
14,443,401.84/19,932,135.36 = 7,828,201.58/x - Step 3: Cross multiply
14,443,401.84x = 19,932,135.36 × 7,828,201.58 - Step 4: Simplify right side
14,443,401.84x = 156,032,773,418,265.19 - Step 5: Solve for x
x = 156,032,773,418,265.19/14,443,401.84 - Step 6: Final answer
x = 10,803,048.70
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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.