Finding the Fourth Proportional to 29,370,041.79, 40,528,281.48 and 16,980,930.09
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Solution
The fourth proportional to 29,370,041.79, 40,528,281.48 and 16,980,930.09 is: 23,432,309.68
Step by Step Solution
- Step 1: Write the proportion equation
29,370,041.79 : 40,528,281.48 = 16,980,930.09 : x - Step 2: Convert to fraction form
29,370,041.79/40,528,281.48 = 16,980,930.09/x - Step 3: Cross multiply
29,370,041.79x = 40,528,281.48 × 16,980,930.09 - Step 4: Simplify right side
29,370,041.79x = 688,207,914,479,721.62 - Step 5: Solve for x
x = 688,207,914,479,721.62/29,370,041.79 - Step 6: Final answer
x = 23,432,309.68
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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.