Finding the Fourth Proportional to 29,734,541.20, 44,601,811.80 and 11,781,312.40
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Solution
The fourth proportional to 29,734,541.20, 44,601,811.80 and 11,781,312.40 is: 17,671,968.60
Step by Step Solution
- Step 1: Write the proportion equation
29,734,541.20 : 44,601,811.80 = 11,781,312.40 : x - Step 2: Convert to fraction form
29,734,541.20/44,601,811.80 = 11,781,312.40/x - Step 3: Cross multiply
29,734,541.20x = 44,601,811.80 × 11,781,312.40 - Step 4: Simplify right side
29,734,541.20x = 525,467,878,421,806.31 - Step 5: Solve for x
x = 525,467,878,421,806.31/29,734,541.20 - Step 6: Final answer
x = 17,671,968.60
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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.