Finding the Fourth Proportional to 19,258,344.13, 28,890,763.88 and 6,475,810.27
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Solution
The fourth proportional to 19,258,344.13, 28,890,763.88 and 6,475,810.27 is: 9,714,807.47
Step by Step Solution
- Step 1: Write the proportion equation
19,258,344.13 : 28,890,763.88 = 6,475,810.27 : x - Step 2: Convert to fraction form
19,258,344.13/28,890,763.88 = 6,475,810.27/x - Step 3: Cross multiply
19,258,344.13x = 28,890,763.88 × 6,475,810.27 - Step 4: Simplify right side
19,258,344.13x = 187,091,105,386,211.66 - Step 5: Solve for x
x = 187,091,105,386,211.66/19,258,344.13 - Step 6: Final answer
x = 9,714,807.47
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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.