Finding the Fourth Proportional to 18,924,503.84, 28,386,752.76 and 4,547,571.68
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Solution
The fourth proportional to 18,924,503.84, 28,386,752.76 and 4,547,571.68 is: 6,821,356.80
Step by Step Solution
- Step 1: Write the proportion equation
18,924,503.84 : 28,386,752.76 = 4,547,571.68 : x - Step 2: Convert to fraction form
18,924,503.84/28,386,752.76 = 4,547,571.68/x - Step 3: Cross multiply
18,924,503.84x = 28,386,752.76 × 4,547,571.68 - Step 4: Simplify right side
18,924,503.84x = 129,090,792,938,537.83 - Step 5: Solve for x
x = 129,090,792,938,537.83/18,924,503.84 - Step 6: Final answer
x = 6,821,356.80
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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.