Finding the Fourth Proportional to 19,949,830.41, 29,923,681.05 and 5,376,516.09
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Solution
The fourth proportional to 19,949,830.41, 29,923,681.05 and 5,376,516.09 is: 8,064,487.23
Step by Step Solution
- Step 1: Write the proportion equation
19,949,830.41 : 29,923,681.05 = 5,376,516.09 : x - Step 2: Convert to fraction form
19,949,830.41/29,923,681.05 = 5,376,516.09/x - Step 3: Cross multiply
19,949,830.41x = 29,923,681.05 × 5,376,516.09 - Step 4: Simplify right side
19,949,830.41x = 160,885,152,637,353.09 - Step 5: Solve for x
x = 160,885,152,637,353.09/19,949,830.41 - Step 6: Final answer
x = 8,064,487.23
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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.