Finding the Fourth Proportional to 19,893,429, 29,840,143.56 and 6,430,257
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Solution
The fourth proportional to 19,893,429, 29,840,143.56 and 6,430,257 is: 9,645,385.52
Step by Step Solution
- Step 1: Write the proportion equation
19,893,429 : 29,840,143.56 = 6,430,257 : x - Step 2: Convert to fraction form
19,893,429/29,840,143.56 = 6,430,257/x - Step 3: Cross multiply
19,893,429x = 29,840,143.56 × 6,430,257 - Step 4: Simplify right side
19,893,429x = 191,879,792,007,694.91 - Step 5: Solve for x
x = 191,879,792,007,694.91/19,893,429 - Step 6: Final answer
x = 9,645,385.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.