Finding the Fourth Proportional to 19,248,706.18, 28,873,059.27 and 6,469,210.90
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Solution
The fourth proportional to 19,248,706.18, 28,873,059.27 and 6,469,210.90 is: 9,703,816.35
Step by Step Solution
- Step 1: Write the proportion equation
19,248,706.18 : 28,873,059.27 = 6,469,210.90 : x - Step 2: Convert to fraction form
19,248,706.18/28,873,059.27 = 6,469,210.90/x - Step 3: Cross multiply
19,248,706.18x = 28,873,059.27 × 6,469,210.90 - Step 4: Simplify right side
19,248,706.18x = 186,785,909,745,830.06 - Step 5: Solve for x
x = 186,785,909,745,830.06/19,248,706.18 - Step 6: Final answer
x = 9,703,816.35
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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.