Finding the Fourth Proportional to 7,444,210.60, 11,166,315.90 and 4,249,659.70
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Solution
The fourth proportional to 7,444,210.60, 11,166,315.90 and 4,249,659.70 is: 6,374,489.55
Step by Step Solution
- Step 1: Write the proportion equation
7,444,210.60 : 11,166,315.90 = 4,249,659.70 : x - Step 2: Convert to fraction form
7,444,210.60/11,166,315.90 = 4,249,659.70/x - Step 3: Cross multiply
7,444,210.60x = 11,166,315.90 × 4,249,659.70 - Step 4: Simplify right side
7,444,210.60x = 47,453,042,677,699.23 - Step 5: Solve for x
x = 47,453,042,677,699.23/7,444,210.60 - Step 6: Final answer
x = 6,374,489.55
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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.