Finding the Fourth Proportional to 18,924,501.84, 28,386,749.76 and 4,547,569.68
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Solution
The fourth proportional to 18,924,501.84, 28,386,749.76 and 4,547,569.68 is: 6,821,353.80
Step by Step Solution
- Step 1: Write the proportion equation
18,924,501.84 : 28,386,749.76 = 4,547,569.68 : x - Step 2: Convert to fraction form
18,924,501.84/28,386,749.76 = 4,547,569.68/x - Step 3: Cross multiply
18,924,501.84x = 28,386,749.76 × 4,547,569.68 - Step 4: Simplify right side
18,924,501.84x = 129,090,722,522,323.28 - Step 5: Solve for x
x = 129,090,722,522,323.28/18,924,501.84 - Step 6: Final answer
x = 6,821,353.80
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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.