Finding the Fourth Proportional to 42,276,638.18, 63,425,032.34 and 14,985,316.07
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Solution
The fourth proportional to 42,276,638.18, 63,425,032.34 and 14,985,316.07 is: 22,481,545.29
Step by Step Solution
- Step 1: Write the proportion equation
42,276,638.18 : 63,425,032.34 = 14,985,316.07 : x - Step 2: Convert to fraction form
42,276,638.18/63,425,032.34 = 14,985,316.07/x - Step 3: Cross multiply
42,276,638.18x = 63,425,032.34 × 14,985,316.07 - Step 4: Simplify right side
42,276,638.18x = 950,444,155,972,820 - Step 5: Solve for x
x = 950,444,155,972,820/42,276,638.18 - Step 6: Final answer
x = 22,481,545.29
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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.