Finding the Fourth Proportional to 19,564,848.80, 29,336,775.60 and 8,192,448.80
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Solution
The fourth proportional to 19,564,848.80, 29,336,775.60 and 8,192,448.80 is: 12,284,277.51
Step by Step Solution
- Step 1: Write the proportion equation
19,564,848.80 : 29,336,775.60 = 8,192,448.80 : x - Step 2: Convert to fraction form
19,564,848.80/29,336,775.60 = 8,192,448.80/x - Step 3: Cross multiply
19,564,848.80x = 29,336,775.60 × 8,192,448.80 - Step 4: Simplify right side
19,564,848.80x = 240,340,032,060,089.28 - Step 5: Solve for x
x = 240,340,032,060,089.28/19,564,848.80 - Step 6: Final answer
x = 12,284,277.51
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1.5x scale
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.