Finding the Fourth Proportional to 11,470,703.30, 15,829,988.25 and 6,243,459
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Solution
The fourth proportional to 11,470,703.30, 15,829,988.25 and 6,243,459 is: 8,616,200.77
Step by Step Solution
- Step 1: Write the proportion equation
11,470,703.30 : 15,829,988.25 = 6,243,459 : x - Step 2: Convert to fraction form
11,470,703.30/15,829,988.25 = 6,243,459/x - Step 3: Cross multiply
11,470,703.30x = 15,829,988.25 × 6,243,459 - Step 4: Simplify right side
11,470,703.30x = 98,833,882,609,356.75 - Step 5: Solve for x
x = 98,833,882,609,356.75/11,470,703.30 - Step 6: Final answer
x = 8,616,200.77
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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.