Finding the Fourth Proportional to 28,645,406.65, 39,531,552.71 and 15,593,535.53
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Solution
The fourth proportional to 28,645,406.65, 39,531,552.71 and 15,593,535.53 is: 21,519,564.36
Step by Step Solution
- Step 1: Write the proportion equation
28,645,406.65 : 39,531,552.71 = 15,593,535.53 : x - Step 2: Convert to fraction form
28,645,406.65/39,531,552.71 = 15,593,535.53/x - Step 3: Cross multiply
28,645,406.65x = 39,531,552.71 × 15,593,535.53 - Step 4: Simplify right side
28,645,406.65x = 616,436,671,922,149.38 - Step 5: Solve for x
x = 616,436,671,922,149.38/28,645,406.65 - Step 6: Final answer
x = 21,519,564.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.