Finding the Fourth Proportional to 11,423,395.48, 15,767,098.80 and 7,014,177.68
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Solution
The fourth proportional to 11,423,395.48, 15,767,098.80 and 7,014,177.68 is: 9,681,292.46
Step by Step Solution
- Step 1: Write the proportion equation
11,423,395.48 : 15,767,098.80 = 7,014,177.68 : x - Step 2: Convert to fraction form
11,423,395.48/15,767,098.80 = 7,014,177.68/x - Step 3: Cross multiply
11,423,395.48x = 15,767,098.80 × 7,014,177.68 - Step 4: Simplify right side
11,423,395.48x = 110,593,232,481,314.78 - Step 5: Solve for x
x = 110,593,232,481,314.78/11,423,395.48 - Step 6: Final answer
x = 9,681,292.46
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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.