Finding the Fourth Proportional to 21,417,089.80, 32,125,634.70 and 7,233,665.80
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Solution
The fourth proportional to 21,417,089.80, 32,125,634.70 and 7,233,665.80 is: 10,850,498.70
Step by Step Solution
- Step 1: Write the proportion equation
21,417,089.80 : 32,125,634.70 = 7,233,665.80 : x - Step 2: Convert to fraction form
21,417,089.80/32,125,634.70 = 7,233,665.80/x - Step 3: Cross multiply
21,417,089.80x = 32,125,634.70 × 7,233,665.80 - Step 4: Simplify right side
21,417,089.80x = 232,386,105,032,683.25 - Step 5: Solve for x
x = 232,386,105,032,683.25/21,417,089.80 - Step 6: Final answer
x = 10,850,498.70
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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.