Finding the Fourth Proportional to 28,484,122.74, 42,726,184.63 and 6,918,579.09
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Solution
The fourth proportional to 28,484,122.74, 42,726,184.63 and 6,918,579.09 is: 10,377,868.76
Step by Step Solution
- Step 1: Write the proportion equation
28,484,122.74 : 42,726,184.63 = 6,918,579.09 : x - Step 2: Convert to fraction form
28,484,122.74/42,726,184.63 = 6,918,579.09/x - Step 3: Cross multiply
28,484,122.74x = 42,726,184.63 × 6,918,579.09 - Step 4: Simplify right side
28,484,122.74x = 295,604,487,559,300.94 - Step 5: Solve for x
x = 295,604,487,559,300.94/28,484,122.74 - Step 6: Final answer
x = 10,377,868.76
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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.