Finding the Fourth Proportional to 19,560,599.60, 29,312,905.80 and 13,569,969.20
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Solution
The fourth proportional to 19,560,599.60, 29,312,905.80 and 13,569,969.20 is: 20,335,533.52
Step by Step Solution
- Step 1: Write the proportion equation
19,560,599.60 : 29,312,905.80 = 13,569,969.20 : x - Step 2: Convert to fraction form
19,560,599.60/29,312,905.80 = 13,569,969.20/x - Step 3: Cross multiply
19,560,599.60x = 29,312,905.80 × 13,569,969.20 - Step 4: Simplify right side
19,560,599.60x = 397,775,228,868,501.38 - Step 5: Solve for x
x = 397,775,228,868,501.38/19,560,599.60 - Step 6: Final answer
x = 20,335,533.52
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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.