Finding the Fourth Proportional to 42,369,471.84, 63,544,749.84 and 19,647,416.64
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Solution
The fourth proportional to 42,369,471.84, 63,544,749.84 and 19,647,416.64 is: 29,466,739.17
Step by Step Solution
- Step 1: Write the proportion equation
42,369,471.84 : 63,544,749.84 = 19,647,416.64 : x - Step 2: Convert to fraction form
42,369,471.84/63,544,749.84 = 19,647,416.64/x - Step 3: Cross multiply
42,369,471.84x = 63,544,749.84 × 19,647,416.64 - Step 4: Simplify right side
42,369,471.84x = 1,248,490,175,391,053.50 - Step 5: Solve for x
x = 1,248,490,175,391,053.50/42,369,471.84 - Step 6: Final answer
x = 29,466,739.17
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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.