Finding the Fourth Proportional to 28,645,894.23, 39,456,029.80 and 22,017,807.73
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Solution
The fourth proportional to 28,645,894.23, 39,456,029.80 and 22,017,807.73 is: 30,326,694.32
Step by Step Solution
- Step 1: Write the proportion equation
28,645,894.23 : 39,456,029.80 = 22,017,807.73 : x - Step 2: Convert to fraction form
28,645,894.23/39,456,029.80 = 22,017,807.73/x - Step 3: Cross multiply
28,645,894.23x = 39,456,029.80 × 22,017,807.73 - Step 4: Simplify right side
28,645,894.23x = 868,735,277,925,550.25 - Step 5: Solve for x
x = 868,735,277,925,550.25/28,645,894.23 - Step 6: Final answer
x = 30,326,694.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.