Finding the Fourth Proportional to 23,148,875.02, 31,942,511.46 and 12,692,139.70
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Solution
The fourth proportional to 23,148,875.02, 31,942,511.46 and 12,692,139.70 is: 17,513,542.99
Step by Step Solution
- Step 1: Write the proportion equation
23,148,875.02 : 31,942,511.46 = 12,692,139.70 : x - Step 2: Convert to fraction form
23,148,875.02/31,942,511.46 = 12,692,139.70/x - Step 3: Cross multiply
23,148,875.02x = 31,942,511.46 × 12,692,139.70 - Step 4: Simplify right side
23,148,875.02x = 405,418,817,819,170.94 - Step 5: Solve for x
x = 405,418,817,819,170.94/23,148,875.02 - Step 6: Final answer
x = 17,513,542.99
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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.