Finding the Fourth Proportional to 19,363,726.40, 29,045,589.60 and 6,598,644.80
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Solution
The fourth proportional to 19,363,726.40, 29,045,589.60 and 6,598,644.80 is: 9,897,967.20
Step by Step Solution
- Step 1: Write the proportion equation
19,363,726.40 : 29,045,589.60 = 6,598,644.80 : x - Step 2: Convert to fraction form
19,363,726.40/29,045,589.60 = 6,598,644.80/x - Step 3: Cross multiply
19,363,726.40x = 29,045,589.60 × 6,598,644.80 - Step 4: Simplify right side
19,363,726.40x = 191,661,528,776,974.09 - Step 5: Solve for x
x = 191,661,528,776,974.09/19,363,726.40 - Step 6: Final answer
x = 9,897,967.20
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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.