Finding the Fourth Proportional to 19,338,970.54, 29,005,302.42 and 5,688,923.98
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Solution
The fourth proportional to 19,338,970.54, 29,005,302.42 and 5,688,923.98 is: 8,532,458.34
Step by Step Solution
- Step 1: Write the proportion equation
19,338,970.54 : 29,005,302.42 = 5,688,923.98 : x - Step 2: Convert to fraction form
19,338,970.54/29,005,302.42 = 5,688,923.98/x - Step 3: Cross multiply
19,338,970.54x = 29,005,302.42 × 5,688,923.98 - Step 4: Simplify right side
19,338,970.54x = 165,008,960,484,290.06 - Step 5: Solve for x
x = 165,008,960,484,290.06/19,338,970.54 - Step 6: Final answer
x = 8,532,458.34
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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.