Finding the Fourth Proportional to 16,417,644.78, 22,655,270.16 and 9,447,197.25
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Solution
The fourth proportional to 16,417,644.78, 22,655,270.16 and 9,447,197.25 is: 13,036,510.95
Step by Step Solution
- Step 1: Write the proportion equation
16,417,644.78 : 22,655,270.16 = 9,447,197.25 : x - Step 2: Convert to fraction form
16,417,644.78/22,655,270.16 = 9,447,197.25/x - Step 3: Cross multiply
16,417,644.78x = 22,655,270.16 × 9,447,197.25 - Step 4: Simplify right side
16,417,644.78x = 214,028,805,953,559.06 - Step 5: Solve for x
x = 214,028,805,953,559.06/16,417,644.78 - Step 6: Final answer
x = 13,036,510.95
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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.