Finding the Fourth Proportional to 21,671,915.99, 32,464,557.72 and 13,031,285.41
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Solution
The fourth proportional to 21,671,915.99, 32,464,557.72 and 13,031,285.41 is: 19,520,882.11
Step by Step Solution
- Step 1: Write the proportion equation
21,671,915.99 : 32,464,557.72 = 13,031,285.41 : x - Step 2: Convert to fraction form
21,671,915.99/32,464,557.72 = 13,031,285.41/x - Step 3: Cross multiply
21,671,915.99x = 32,464,557.72 × 13,031,285.41 - Step 4: Simplify right side
21,671,915.99x = 423,054,917,277,577.50 - Step 5: Solve for x
x = 423,054,917,277,577.50/21,671,915.99 - Step 6: Final answer
x = 19,520,882.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.