Finding the Fourth Proportional to 19,426,421.97, 29,106,707.94 and 11,733,905.43
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Solution
The fourth proportional to 19,426,421.97, 29,106,707.94 and 11,733,905.43 is: 17,580,970.85
Step by Step Solution
- Step 1: Write the proportion equation
19,426,421.97 : 29,106,707.94 = 11,733,905.43 : x - Step 2: Convert to fraction form
19,426,421.97/29,106,707.94 = 11,733,905.43/x - Step 3: Cross multiply
19,426,421.97x = 29,106,707.94 × 11,733,905.43 - Step 4: Simplify right side
19,426,421.97x = 341,535,358,346,590.12 - Step 5: Solve for x
x = 341,535,358,346,590.12/19,426,421.97 - Step 6: Final answer
x = 17,580,970.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.