Finding the Fourth Proportional to 7,799,063.80, 11,698,595.70 and 5,909,495.80
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Solution
The fourth proportional to 7,799,063.80, 11,698,595.70 and 5,909,495.80 is: 8,864,243.70
Step by Step Solution
- Step 1: Write the proportion equation
7,799,063.80 : 11,698,595.70 = 5,909,495.80 : x - Step 2: Convert to fraction form
7,799,063.80/11,698,595.70 = 5,909,495.80/x - Step 3: Cross multiply
7,799,063.80x = 11,698,595.70 × 5,909,495.80 - Step 4: Simplify right side
7,799,063.80x = 69,132,802,155,048.05 - Step 5: Solve for x
x = 69,132,802,155,048.05/7,799,063.80 - Step 6: Final answer
x = 8,864,243.70
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1.5x scale
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.