Finding the Fourth Proportional to 38,896,402.96, 53,677,018.36 and 21,492,595.94
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Solution
The fourth proportional to 38,896,402.96, 53,677,018.36 and 21,492,595.94 is: 29,659,772.61
Step by Step Solution
- Step 1: Write the proportion equation
38,896,402.96 : 53,677,018.36 = 21,492,595.94 : x - Step 2: Convert to fraction form
38,896,402.96/53,677,018.36 = 21,492,595.94/x - Step 3: Cross multiply
38,896,402.96x = 53,677,018.36 × 21,492,595.94 - Step 4: Simplify right side
38,896,402.96x = 1,153,658,466,996,271 - Step 5: Solve for x
x = 1,153,658,466,996,271/38,896,402.96 - Step 6: Final answer
x = 29,659,772.61
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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.