Finding the Fourth Proportional to 48,553,547.40, 72,858,314.70 and 18,283,134.60
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Solution
The fourth proportional to 48,553,547.40, 72,858,314.70 and 18,283,134.60 is: 27,435,243.06
Step by Step Solution
- Step 1: Write the proportion equation
48,553,547.40 : 72,858,314.70 = 18,283,134.60 : x - Step 2: Convert to fraction form
48,553,547.40/72,858,314.70 = 18,283,134.60/x - Step 3: Cross multiply
48,553,547.40x = 72,858,314.70 × 18,283,134.60 - Step 4: Simplify right side
48,553,547.40x = 1,332,078,374,389,258.75 - Step 5: Solve for x
x = 1,332,078,374,389,258.75/48,553,547.40 - Step 6: Final answer
x = 27,435,243.06
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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.