Finding the Fourth Proportional to 11,438,292.35, 15,779,006.69 and 7,303,976.62
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Solution
The fourth proportional to 11,438,292.35, 15,779,006.69 and 7,303,976.62 is: 10,075,760.65
Step by Step Solution
- Step 1: Write the proportion equation
11,438,292.35 : 15,779,006.69 = 7,303,976.62 : x - Step 2: Convert to fraction form
11,438,292.35/15,779,006.69 = 7,303,976.62/x - Step 3: Cross multiply
11,438,292.35x = 15,779,006.69 × 7,303,976.62 - Step 4: Simplify right side
11,438,292.35x = 115,249,495,950,583.58 - Step 5: Solve for x
x = 115,249,495,950,583.58/11,438,292.35 - Step 6: Final answer
x = 10,075,760.65
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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.