Finding the Fourth Proportional to 11,426,883.84, 15,768,569.60 and 6,270,117.12
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Solution
The fourth proportional to 11,426,883.84, 15,768,569.60 and 6,270,117.12 is: 8,652,470.75
Step by Step Solution
- Step 1: Write the proportion equation
11,426,883.84 : 15,768,569.60 = 6,270,117.12 : x - Step 2: Convert to fraction form
11,426,883.84/15,768,569.60 = 6,270,117.12/x - Step 3: Cross multiply
11,426,883.84x = 15,768,569.60 × 6,270,117.12 - Step 4: Simplify right side
11,426,883.84x = 98,870,778,206,871.55 - Step 5: Solve for x
x = 98,870,778,206,871.55/11,426,883.84 - Step 6: Final answer
x = 8,652,470.75
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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.