Finding the Fourth Proportional to 22,609,430.44, 31,201,711.68 and 12,820,282.36
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Solution
The fourth proportional to 22,609,430.44, 31,201,711.68 and 12,820,282.36 is: 17,692,385.26
Step by Step Solution
- Step 1: Write the proportion equation
22,609,430.44 : 31,201,711.68 = 12,820,282.36 : x - Step 2: Convert to fraction form
22,609,430.44/31,201,711.68 = 12,820,282.36/x - Step 3: Cross multiply
22,609,430.44x = 31,201,711.68 × 12,820,282.36 - Step 4: Simplify right side
22,609,430.44x = 400,014,753,852,909.94 - Step 5: Solve for x
x = 400,014,753,852,909.94/22,609,430.44 - Step 6: Final answer
x = 17,692,385.26
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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.