Finding the Fourth Proportional to 11,426,353.54, 15,768,640.40 and 6,532,031.05
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Solution
The fourth proportional to 11,426,353.54, 15,768,640.40 and 6,532,031.05 is: 9,014,358.63
Step by Step Solution
- Step 1: Write the proportion equation
11,426,353.54 : 15,768,640.40 = 6,532,031.05 : x - Step 2: Convert to fraction form
11,426,353.54/15,768,640.40 = 6,532,031.05/x - Step 3: Cross multiply
11,426,353.54x = 15,768,640.40 × 6,532,031.05 - Step 4: Simplify right side
11,426,353.54x = 103,001,248,637,002.67 - Step 5: Solve for x
x = 103,001,248,637,002.67/11,426,353.54 - Step 6: Final answer
x = 9,014,358.63
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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.