Finding the Fourth Proportional to 19,399,838.80, 29,102,009.43 and 6,447,145.41
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Solution
The fourth proportional to 19,399,838.80, 29,102,009.43 and 6,447,145.41 is: 9,671,466.27
Step by Step Solution
- Step 1: Write the proportion equation
19,399,838.80 : 29,102,009.43 = 6,447,145.41 : x - Step 2: Convert to fraction form
19,399,838.80/29,102,009.43 = 6,447,145.41/x - Step 3: Cross multiply
19,399,838.80x = 29,102,009.43 × 6,447,145.41 - Step 4: Simplify right side
19,399,838.80x = 187,624,886,518,401.22 - Step 5: Solve for x
x = 187,624,886,518,401.22/19,399,838.80 - Step 6: Final answer
x = 9,671,466.27
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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.