Finding the Fourth Proportional to 39,078,210.40, 58,600,726.80 and 18,889,640.80
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Solution
The fourth proportional to 39,078,210.40, 58,600,726.80 and 18,889,640.80 is: 28,326,442.50
Step by Step Solution
- Step 1: Write the proportion equation
39,078,210.40 : 58,600,726.80 = 18,889,640.80 : x - Step 2: Convert to fraction form
39,078,210.40/58,600,726.80 = 18,889,640.80/x - Step 3: Cross multiply
39,078,210.40x = 58,600,726.80 × 18,889,640.80 - Step 4: Simplify right side
39,078,210.40x = 1,106,946,679,870,933.38 - Step 5: Solve for x
x = 1,106,946,679,870,933.38/39,078,210.40 - Step 6: Final answer
x = 28,326,442.50
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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.