Finding the Fourth Proportional to 6,913,089.76, 9,537,403.04 and 4,330,274.08
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Solution
The fourth proportional to 6,913,089.76, 9,537,403.04 and 4,330,274.08 is: 5,974,111.52
Step by Step Solution
- Step 1: Write the proportion equation
6,913,089.76 : 9,537,403.04 = 4,330,274.08 : x - Step 2: Convert to fraction form
6,913,089.76/9,537,403.04 = 4,330,274.08/x - Step 3: Cross multiply
6,913,089.76x = 9,537,403.04 × 4,330,274.08 - Step 4: Simplify right side
6,913,089.76x = 41,299,569,126,938.19 - Step 5: Solve for x
x = 41,299,569,126,938.19/6,913,089.76 - Step 6: Final answer
x = 5,974,111.52
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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.