Finding the Fourth Proportional to 11,470,657.28, 15,829,924.69 and 6,243,412.77
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Solution
The fourth proportional to 11,470,657.28, 15,829,924.69 and 6,243,412.77 is: 8,616,136.95
Step by Step Solution
- Step 1: Write the proportion equation
11,470,657.28 : 15,829,924.69 = 6,243,412.77 : x - Step 2: Convert to fraction form
11,470,657.28/15,829,924.69 = 6,243,412.77/x - Step 3: Cross multiply
11,470,657.28x = 15,829,924.69 × 6,243,412.77 - Step 4: Simplify right side
11,470,657.28x = 98,832,753,983,045.03 - Step 5: Solve for x
x = 98,832,753,983,045.03/11,470,657.28 - Step 6: Final answer
x = 8,616,136.95
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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.